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Coordinates: 42°45′N 25°30′E / 42.750°N 25.500°E / 42.750; 25.500


Republic of Bulgaria

Република България  (Bulgarian)
Republika Bǎlgariya
Flag of Bulgaria
Coat of arms
Мила Родино  (Bulgarian)
Mila Rodino  (transliteration)
Dear Motherland
Location of Bulgaria (dark green) – in Europe (green & dark grey) – in the European Union (green)  –  [Legend]
Location of Bulgaria (dark green)

– in Europe (green & dark grey)
– in the European Union (green)  –  [Legend]

and largest city
42°41′N 23°19′E / 42.683°N 23.317°E / 42.683; 23.317

Official languagesBulgarian
Official scriptCyrillic
Ethnic groups
84.8% Bulgarians, 8.8% Turks, 4.9% Romani, 0.7% others[note 1]
GovernmentUnitary parliamentary
• President
Rumen Radev
Boyko Borisov
LegislatureNational Assembly
Establishment history
3 March 1878[note 2]
• Declaration of Independence from the Ottoman Empire
5 October 1908[note 3]
• Total
110,993.6[1] km2 (42,854.9 sq mi) (103rd)
• Water (%)
• 31 December 2017 estimate
Decrease 7,050,034[3] (103rd)
• Density
64/km2 (165.8/sq mi) (155th)
GDP (PPP)2018 estimate
• Total
$163 billion[4] (76th)
• Per capita
$23,207[4] (62nd)
GDP (nominal)2018 estimate
• Total
$64 billion[4] (81st)
• Per capita
$9,080[4] (75th)
Gini (2017)Negative increase 40.2[5]
HDI (2017)Increase 0.813[6]
very high · 51st
CurrencyLev (BGN)
Time zoneUTC+2 (EET)
• Summer (DST)
Driving sideright
Calling code+359
ISO 3166 codeBG

Bulgaria (/bʌlˈɡɛəriə, bʊl-/ (About this soundlisten); Bulgarian: България, tr. Bǎlgariya), officially the Republic of Bulgaria (Bulgarian: Република България, tr. Republika Bǎlgariya, IPA: [rɛˈpublikɐ bɐɫˈɡarijɐ]), is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. The capital and largest city is Sofia; other major cities are Plovdiv, Varna and Burgas. With a territory of 110,994 square kilometres (42,855 sq mi), Bulgaria is Europe's 16th-largest country.

One of the earliest societies in the lands of modern-day Bulgaria was the Neolithic Karanovo culture, which dates back to 6,500 BC. In Antiquity (6th–3rd century BC), the region became a battleground for Thracians, Persians, Celts and Ancient Macedonians until it was conquered by the Roman Empire in 45 AD. The Eastern Roman, or Byzantine, Empire lost some of these territories to an invading Bulgar horde in the late 7th century. The Bulgars then founded the first unified Bulgarian state in 681 AD which dominated most of the Balkans and significantly influenced Slavic cultures by developing the Cyrillic script. The First Bulgarian Empire lasted until the early 11th century when Byzantine emperor Basil II conquered and dismantled it. A successful Bulgarian revolt in 1185 established a Second Bulgarian Empire which reached its apex under Ivan Asen II (1218–1241). After numerous exhausting wars and feudal strife, the Second Bulgarian Empire disintegrated in 1396 and its territories fell under Ottoman rule for nearly five centuries.

The Russo-Turkish War of 1877–78 resulted in the formation of the current Third Bulgarian State. Many ethnic Bulgarian populations were left outside its borders, which led to several conflicts with its neighbours and an alliance with Germany in both world wars. In 1946 Bulgaria became a one-party socialist state and part of the Soviet-led Eastern Bloc. The ruling Communist Party gave up its monopoly on power after the Revolutions of 1989 and allowed multi-party elections. Bulgaria then transitioned into a democracy and a market-based economy.

Since adopting a democratic constitution in 1991, the sovereign state has been a unitary parliamentary republic with a high degree of political, administrative, and economic centralisation. The urbanized population of seven million lives mainly in Sofia and the 27 provincial capital cities, but faces significant demographic decline. Bulgaria is a member of the European Union, NATO, and the Council of Europe; it is a founding state of the Organization for Security and Co-operation in Europe (OSCE) and has taken a seat at the UN Security Council three times. Its market economy is part of the European Single Market and mostly relies on services, followed by industry—especially machine building and mining—and agriculture. Widespread corruption in Bulgaria is a major socio-economic issue.


The name Bulgaria is derived from the Bulgars, a tribe of Turkic origin that founded the country. Their name is not completely understood and difficult to trace back earlier than the 4th century AD,[7] but it is possibly derived from the Proto-Turkic word bulģha ("to mix", "shake", "stir") and its derivative bulgak ("revolt", "disorder").[8] The meaning may be further extended to "rebel", "incite" or "produce a state of disorder", i.e. the "disturbers".[9][10][11] Ethnic groups in Inner Asia with phonologically similar names were frequently described in similar terms: during the 4th century, the Buluoji, a component of the "Five Barbarian" groups in Ancient China, were portrayed as both a "mixed race" and "troublemakers".[12]


Prehistory and antiquity[edit]

Thracian golden wreath exhibited in the National Historical Museum
Odrysian golden wreath in the National History Museum

Neanderthal remains dating to around 150,000 years ago, or the Middle Paleolithic, are some of the earliest traces of human activity in the lands of modern Bulgaria.[13] The Karanovo culture arose circa 6,500 BC and was one of several Neolithic societies in the region that thrived on agriculture.[14] The Copper Age Varna culture (fifth millennium BC) is credited with inventing gold metallurgy.[15][16] The associated Varna Necropolis treasure contains the oldest golden jewellery in the world with an approximate age of over 6,000 years.[17][18] The treasure has been valuable for understanding social hierarchy and stratification in the earliest European societies.[19][20][21]

The Thracians, one of the three primary ancestral groups of modern Bulgarians, appeared on the Balkan Peninsula some time before the 12th century BC.[22][23][24] The Thracians excelled in metallurgy and gave the Greeks the Orphean and Dionysian cults, but remained tribal and stateless.[25] The Persian Achaemenid Empire conquered most of present-day Bulgaria in the 6th century BC and retained control over the region until 479 BC.[26][27] The invasion became a catalyst for Thracian unity, and the bulk of their tribes united under king Teres to form the Odrysian kingdom in the 470s BC.[25][27][28] It was weakened and vassalized by Philip II of Macedon in 341 BC,[29] attacked by Celts in the 3rd century,[30] and finally became a province of the Roman Empire in 45 AD.[31]

By the end of the 1st century AD, Roman governance was established over the entire Balkan Peninsula and Christianity began spreading in the region around the 4th century.[25] The Gothic Bible—the first Germanic language book—was created by Gothic bishop Ulfilas in what is today northern Bulgaria around 381.[32] The region came under Byzantine control after the fall of Rome in 476. However, the Byzantines were engaged in prolonged warfare against Persia and could not defend their Balkan territories from barbarian incursions.[33] This enabled the Slavs to enter the Balkan Peninsula as marauders, primarily through an area between the Danube River and the Balkan Mountains known as Moesia.[34] Gradually, the interior of the peninsula became a country of the South Slavs, who lived under a democracy.[35][36] The Slavs assimilated the partially Hellenized, Romanized, and Gothicized Thracians in the rural areas.[37][38][39][40]

First Bulgarian Empire[edit]

Krum feasting with his nobles after the battle of Pliska, detail from the Manasses chronicle
Khan Krum feasts with his nobles after the battle of Pliska. His servant (far right) brings the wine-filled skull cup of Nicephorus I.

Not long after the Slavic incursion, Moesia was once again invaded, this time by the Bulgars under Khan Asparukh.[41] Their horde was a remnant of Old Great Bulgaria, an extinct tribal confederacy situated north of the Black Sea in what is now Ukraine. Asparukh attacked Byzantine territories in Moesia and conquered the Slavic tribes there in 680.[23] A peace treaty with the Byzantine Empire was signed in 681, marking the foundation of the First Bulgarian Empire. The minority Bulgars formed a close-knit ruling caste.[42]

Succeeding rulers strengthened the Bulgarian state throughout the 8th and 9th centuries. Krum introduced a written code of law[43] and checked a major Byzantine incursion at the Battle of Pliska where Byzantine emperor Nicephorus I was killed.[44] Boris I abolished paganism in favour of Eastern Orthodox Christianity in 864. The conversion was followed by a Byzantine recognition of the Bulgarian church[45] and the adoption of the Cyrillic alphabet, developed in the capital, Preslav.[46] The common language, religion and script strengthened central authority and gradually fused the Slavs and Bulgars into a unified people speaking a single Slavic language.[47][46] A golden age began during the 34-year rule of Simeon the Great, who oversaw the largest territorial expansion of the state.[48]

After Simeon's death, Bulgaria was weakened by wars with Magyars and Pechenegs and the spread of the Bogomil heresy.[47][49] Preslav was seized by the Byzantine army in 971 after consecutive Rus' and Byzantine invasions.[47] The empire briefly recovered from the attacks under Samuil,[50] but this ended when Byzantine emperor Basil II defeated the Bulgarian army at Klyuch in 1014. Samuil died shortly after the battle,[51] and by 1018 the Byzantines had conquered the First Bulgarian Empire.[52]

Second Bulgarian Empire[edit]

After the conquest of Bulgaria, Basil II prevented revolts by retaining the rule of local nobility and relieving their lands of the obligation to pay taxes in gold, allowing tax in kind instead.[53] The Bulgarian Patriarchate was reduced to an archbishopric, but retained its autocephalous status and its dioceses.[53][54] Byzantine domestic policies changed after Basil's death and a series of unsuccessful rebellions broke out, the largest being led by Peter Delyan. In 1185 Asen dynasty nobles Ivan Asen I and Peter IV organized a major uprising which resulted in the re-establishment of the Bulgarian state. Ivan Asen and Peter laid the foundations of the Second Bulgarian Empire with Tarnovo as the capital.[55]

A view of the walls of Tsarevets fortress in Tarnovo
The walls of Tsarevets fortress in Veliko Tarnovo, the capital of the second empire

Kaloyan, the third of the Asen monarchs, extended his dominion to Belgrade and Ohrid. He acknowledged the spiritual supremacy of the pope and received a royal crown from a papal legate.[56] The empire reached its zenith under Ivan Asen II (1218–1241), when its borders expanded as far as the coast of Albania, Serbia and Epirus, while commerce and culture flourished.[56][55] Ivan Asen's rule was also marked by a shift away from Rome in religious matters.[57]

The Asen dynasty became extinct in 1257. Internal conflicts and incessant Byzantine and Hungarian attacks followed, enabling the Mongols to establish suzerainty over the weakened Bulgarian state.[56][57] In 1277, swineherd Ivaylo led a great peasant revolt that chased the Mongols out of Bulgaria and briefly made him emperor.[58][55] He was overthrown in 1280 by the feudal landlords,[58] whose factional conflicts caused the Second Bulgarian Empire to disintegrate into small feudal dominions by the 14th century.[55] These fragmented rump states—two tsardoms at Vidin and Tarnovo and the Despotate of Dobrudzha—became easy prey for a new threat arriving from the Southeast: the Ottoman Turks.[56]

Ottoman rule[edit]

Map of the 14th century Bulgarian rump states
Fragmentation of the Second Bulgarian Empire in the 14th century

The Ottomans were employed as mercenaries by the Byzantines in the 1340s but later became invaders in their own right.[59] Sultan Murad I took Adrianople from the Byzantines in 1362; Sofia fell in 1382, followed by Shumen in 1388.[59] The Ottomans completed their conquest of Bulgarian lands in 1393 when Tarnovo was sacked after a three-month siege, and then the Battle of Nicopolis which brought about the fall of the Vidin Tsardom in 1396. The Bulgarian nobility was subsequently eliminated and the peasantry was enserfed to Ottoman masters,[59] while much of the educated clergy fled to other countries.[60]

Christians were considered an inferior class of people under the Ottoman system. Bulgarians were subjected to heavy taxes (including devshirme, or blood tax), their culture was suppressed,[60] and they experienced partial Islamisation.[61] Ottoman authorities established a religious administrative community called the Rum Millet, which governed all Orthodox Christians regardless of their ethnicity.[62] Most of the local population then gradually lost its distinct national consciousness, identifying only by its faith.[63][64] However, the clergy remaining in some isolated monasteries kept their ethnic identity alive, enabling its survival in remote rural areas,[65] and in the militant Catholic community in the northwest of the country.[66]

As Ottoman power began to wane, Habsburg Austria and Russia saw Bulgarian Christians as potential allies. The Austrians first backed an uprising in Tarnovo in 1598, then a second one in 1686, the Chiprovtsi Uprising in 1688 and finally Karposh's Rebellion in 1689.[67] The Russian Empire also asserted itself as a protector of Christians in Ottoman lands with the Treaty of Küçük Kaynarca in 1774.[67]

The Defence of the Eagle's Nest, painting by Alexey Popov from 1893, depicting the Defence of Shipka Pass
The Russo-Bulgarian defence of Shipka Pass

The Western European Enlightenment in the 18th century influenced the initiation of a national awakening of Bulgaria.[59] It restored national consciousness and provided an ideological basis for the liberation struggle, resulting in the 1876 April Uprising. Up to 30,000 Bulgarians were killed as Ottoman authorities put down the rebellion. The massacres prompted the Great Powers to take action.[68] They convened the Constantinople Conference in 1876, but their decisions were rejected by the Ottomans. This allowed the Russian Empire to seek a military solution without risking confrontation with other Great Powers, as had happened in the Crimean War.[68] In 1877 Russia declared war on the Ottomans and defeated them with the help of Bulgarian rebels, particularly during the crucial Battle of Shipka Pass which secured Russian control over the main road to Constantinople.[69][70]

Third Bulgarian state[edit]

The Treaty of San Stefano was signed on 3 March 1878 by Russia and the Ottoman Empire. It was to set up an autonomous Bulgarian principality spanning Moesia, Macedonia and Thrace, roughly on the territories of the Second Bulgarian Empire.[71][72] The other Great Powers immediately rejected the treaty out of fear that such a large country in the Balkans might threaten their interests. It was superseded by the Treaty of Berlin, signed on 13 July, which provided for a much smaller state only comprising Moesia and the region of Sofia, leaving large populations of ethnic Bulgarians outside the new country.[71][73] This significantly contributed to Bulgaria's militaristic foreign affairs approach during the first half of the 20th century.[74]

The Bulgarian principality won a war against Serbia and incorporated the semi-autonomous Ottoman territory of Eastern Rumelia in 1885, proclaiming itself an independent state on 5 October 1908.[75] In the years following independence, Bulgaria increasingly militarized and was often referred to as "the Balkan Prussia".[76] It became involved in three consecutive conflicts between 1912 and 1918—two Balkan Wars and World War I. After a disastrous defeat in the Second Balkan War, Bulgaria again found itself fighting on the losing side as a result of its alliance with the Central Powers in World War I. Despite fielding more than a quarter of its population in a 1,200,000-strong army[77][78] and achieving several decisive victories at Doiran and Monastir, the country capitulated in 1918. The war resulted in significant territorial losses and a total of 87,500 soldiers killed.[79] More than 253,000 refugees from the lost territories immigrated to Bulgaria from 1912 to 1929,[80] placing additional strain on the already ruined national economy.[81]

A portrait of Tsar Boris III
Tsar Boris III

The resulting political unrest led to the establishment of a royal authoritarian dictatorship by Tsar Boris III (1918–1943). Bulgaria entered World War II in 1941 as a member of the Axis but declined to participate in Operation Barbarossa and saved its Jewish population from deportation to concentration camps.[82] The sudden death of Boris III in the summer of 1943 pushed the country into political turmoil as the war turned against Germany, and the communist guerrilla movement gained momentum. The government of Bogdan Filov subsequently failed to achieve peace with the Allies. Bulgaria did not comply with Soviet demands to expel German forces from its territory, resulting in a declaration of war and an invasion by the USSR in September 1944.[83] The communist-dominated Fatherland Front took power, ended participation in the Axis and joined the Allied side until the war ended.[84] Bulgaria suffered little war damage and the Soviet Union demanded no reparations. But all wartime gains, with the notable exception of Southern Dobrudzha, were lost.[85]

The left-wing uprising of 9 September 1944 led to the abolition of monarchic rule and the executions of some 1,000–3,000 dissidents, war criminals, and members of the former royal elite.[86][87][88] But it was not until 1946 that a one-party people's republic was instituted following a referendum.[89] It fell into the Soviet sphere of influence under the leadership of Georgi Dimitrov (1946–1949), who established a repressive, rapidly industrializing Stalinist state.[85] By the mid-1950s standards of living rose significantly and political repressions eased.[90][91] The Soviet-style planned economy saw some market-oriented policies emerging on an experimental level under Todor Zhivkov (1954–1989).[92] Compared to wartime levels, national GDP increased five-fold and per capita GDP quadrupled by the 1980s,[93] although severe debt spikes took place in 1960, 1977 and 1980.[94] Zhivkov's daughter Lyudmila bolstered national pride by promoting Bulgarian heritage, culture and arts worldwide.[95] Facing declining birth rates among the ethnic Bulgarian majority, in 1984 Zhivkov's government forced the minority ethnic Turks to adopt Slavic names in an attempt to erase their identity and assimilate them.[96] These policies resulted in the emigration of some 300,000 ethnic Turks to Turkey.[97][98]

The Communist Party was forced to give up its political monopoly on 10 November 1989 under the influence of the Revolutions of 1989. Zhivkov resigned and Bulgaria embarked on a transition to a parliamentary democracy.[99] The first free elections in June 1990 were won by the Communist Party, now rebranded as the Bulgarian Socialist Party.[100] A new constitution that provided for a relatively weak elected president and for a prime minister accountable to the legislature was adopted in July 1991. The new system initially failed to improve living standards or create economic growth—the average quality of life and economic performance remained lower than under communism well into the early 2000s.[101] After 2001 economic, political and geopolitical conditions improved greatly,[102] and Bulgaria achieved high Human Development status in 2003.[103] It became a member of NATO in 2004[104] and participated in the War in Afghanistan. After several years of reforms it joined the European Union and single market in 2007 despite Brussels' concerns about government corruption.[105] Bulgaria hosted the 2018 Presidency of the Council of the European Union at the National Palace of Culture in Sofia.[106]


Topographic map of Bulgaria
A map of Bulgaria showing its main topographical features

Bulgaria occupies a portion of the eastern Balkan peninsula, bordering five countries—Greece and Turkey to the south, Macedonia and Serbia to the west, and Romania to the north. The land borders have a total length of 1,808 kilometres (1,123 mi), and the coastline has a length of 354 kilometres (220 mi).[107] Its total area of 110,994 square kilometres (42,855 sq mi) ranks it as the world's 105th-largest country.[1][108] Bulgaria's geographic coordinates are 43° N 25° E.[109] The most notable topographical features are the Danubian Plain, the Balkan Mountains, the Thracian Plain, and the Rhodope Mountains.[107] The southern edge of the Danubian Plain slopes upward into the foothills of the Balkans, while the Danube defines the border with Romania. The Thracian Plain is roughly triangular, beginning southeast of Sofia and broadening as it reaches the Black Sea coast.[107]

A view of snowy Pirin Mountain
Pirin Mountain in the southwest

The Balkan mountains run laterally through the middle of the country. The mountainous southwest has two distinct alpine ranges—Rila and Pirin, which border the lower but more extensive Rhodope Mountains to the east.[107] Musala peak, at 2,925 metres (9,596 ft), is the highest point in both Bulgaria and the Balkan peninsula, and the Black Sea coast is the country's lowest point.[109] Plains occupy about one-third of the territory, while plateaus and hills occupy 41%.[110] Most rivers are short and with low water levels. The longest river located solely in Bulgarian territory, the Iskar, has a length of 368 kilometres (229 mi). Other major rivers include the Struma and the Maritsa in the south.[111][107]

Bulgaria has a changeable climate, which results from being positioned at the meeting point of the Mediterranean and continental air masses combined with the barrier effect of its mountains.[107] Northern Bulgaria averages 1 °C (1.8 °F) cooler, and registers 200 millimetres (7.9 in) more precipitation, than the regions south of the Balkan mountains. Temperature amplitudes vary significantly in different areas. The lowest recorded temperature is −38.3 °C (−36.9 °F), while the highest is 45.2 °C (113.4 °F).[112] Precipitation averages about 630 millimetres (24.8 in) per year, and varies from 500 millimetres (19.7 in) in Dobrudja to more than 2,500 millimetres (98.4 in) in the mountains. Continental air masses bring significant amounts of snowfall during winter.[113]

Biodiversity and environment[edit]

A Lacerta viridis, or European green lizard, atop a tree stump in the Ropotamo reserve
Lacerta viridis in Ropotamo, one of Bulgaria's 16 biosphere reserves

The interaction of climatic, hydrological, geological and topographical conditions has produced a relatively wide variety of plant and animal species.[114] Bulgaria's biodiversity, one of the richest in Europe,[115] is conserved in three national parks, 11 nature parks, 10 biosphere reserves and 565 protected areas.[116][117][118] Ninety-three of the 233 mammal species of Europe are found in Bulgaria, along with 49% of butterfly and 30% of vascular plant species.[119] Overall, 41,493 plant and animal species are present.[119] Larger mammals with sizable populations include deer (106,323 individuals), wild boars (88,948), jackals (47,293) and foxes (32,326). Partridges number some 328,000 individuals, making them the most widespread gamebird.[120] A third of all nesting birds in Bulgaria can be found in Rila National Park, which also hosts Arctic and alpine species at high altitudes.[121] Flora includes more than 3,800 vascular plant species of which 170 are endemic and 150 are considered endangered.[114] A checklist of larger fungi in Bulgaria by the Institute of Botany identifies more than 1,500 species.[122] More than 35% of the land area is covered by forests.[123]

In 1998, the Bulgarian government adopted the National Biological Diversity Conservation Strategy, a comprehensive programme seeking the preservation of local ecosystems, protection of endangered species and conservation of genetic resources.[124] Bulgaria has some of the largest Natura 2000 areas in Europe covering 33.8% of its territory.[125] It also achieved its Kyoto Protocol objective of reducing carbon dioxide emissions by 30% from 1990 to 2009.[126][127]

Bulgaria ranks 30th in the 2018 Environmental Performance Index, but scores low on air quality.[128] Particulate levels are the highest in Europe,[129] especially in urban areas affected by automobile traffic and coal-based power stations.[130][131] One of these, the lignite-fired Maritsa Iztok-2 station, is causing the highest damage to health and the environment in the European Union.[132] Pesticide use in agriculture and antiquated industrial sewage systems produce extensive soil and water pollution.[133] Water quality began to improve in 1998 and has maintained a trend of moderate improvement. Over 75% of surface rivers meet European standards for good quality.[134]


The National Assembly building in Sofia
The National Assembly in Sofia

Bulgaria is a parliamentary democracy where the prime minister is the head of government and the most powerful executive position.[102] The political system has three branches—legislative, executive and judicial, with universal suffrage for citizens at least 18 years old. The Constitution also provides possibilities of direct democracy, namely petitions and national referenda.[135] Elections are supervised by an independent Central Election Commission that includes members from all major political parties. Parties must register with the commission prior to participating in a national election.[136] Normally, the prime minister-elect is the leader of the party receiving the most votes in parliamentary elections, although this is not always the case.[102]

Unlike the prime minister, presidential domestic power is more limited. The directly elected President serves as head of state and commander-in-chief of the armed forces, and has the authority to return a bill for further debate, although the parliament can override the presidential veto by a simple majority vote.[102] Political parties gather in the National Assembly, a body of 240 deputies elected to four-year terms by direct popular vote. The National Assembly has the power to enact laws, approve the budget, schedule presidential elections, select and dismiss the prime minister and other ministers, declare war, deploy troops abroad, and ratify international treaties and agreements.[137]

Overall, Bulgaria displays a pattern of unstable governments.[138] Boyko Borisov is serving his third term as prime minister since 2009,[139] when his centre-right, pro-EU party GERB won the general election and ruled as a minority government with 117 seats in the National Assembly.[140] However, his first government resigned on 20 February 2013 after nationwide protests caused by high costs of utilities, low living standards, corruption[141] and the perceived failure of the democratic system. The protest wave was notable for self-immolations, spontaneous demonstrations and a strong sentiment against political parties.[142]

The subsequent snap elections in May resulted in a narrow win for GERB,[143] but the Bulgarian Socialist Party eventually formed a government led by Plamen Oresharski after Borisov failed to secure parliamentary support.[144][145] The Oresharski government resigned in July 2014 amid continuing large-scale protests.[146][147][148] A caretaker government took over[149] and called the October 2014 elections[150] which resulted in a third GERB victory, but a total of eight parties entered parliament.[151] Borisov formed a coalition[152] with several right-wing parties, but resigned again after the candidate backed by his party failed to win the 2016 Presidential election. The March 2017 snap election was again won by GERB, but with 95 seats in Parliament. They formed a coalition with the far-right United Patriots, who hold 27 seats.[139]

Freedom House has reported a continuing deterioration of democratic governance after 2009, citing reduced media independence, stalled reforms, abuse of authority at the highest level and increased dependence of local administrations on the central government.[153] Bulgaria is still listed as "Free", with a political system designated as a semi-consolidated democracy, albeit with deteriorating scores.[153] The Democracy Index defines it as a "Flawed democracy".[154]

Legal system[edit]

Bulgaria has a civil law legal system.[155] The judiciary is overseen by the Ministry of Justice. The Supreme Administrative Court and the Supreme Court of Cassation are the highest courts of appeal and oversee the application of laws in subordinate courts.[136] The Supreme Judicial Council manages the system and appoints judges. The legal system is regarded by both domestic and international observers as one of Europe's most inefficient due to pervasive lack of transparency and corruption.[156][157][158][159][160] Law enforcement is carried out by organisations mainly subordinate to the Ministry of the Interior.[161] The General Directorate of National Police (GDNP) combats general crime and maintains public order.[162] GDNP fields 26,578 police officers in its local and national sections.[163] The bulk of criminal cases are transport-related, followed by theft and drug-related crime; homicide rates are low.[164] The Ministry of the Interior also heads the Border Police Service and the National Gendarmerie—a specialized branch for anti-terrorist activity, crisis management and riot control. Counterintelligence and national security are the responsibility of the State Agency for National Security.[165]

Administrative divisions[edit]

Bulgaria is a unitary state.[166] Since the 1880s, the number of territorial management units has varied from seven to 26.[167] Between 1987 and 1999 the administrative structure consisted of nine provinces (oblasti, singular oblast). A new administrative structure was adopted in parallel with the decentralization of the economic system.[168] It includes 27 provinces and a metropolitan capital province (Sofia-Grad). All areas take their names from their respective capital cities. The provinces subdivide into 264 municipalities. Municipalities are run by mayors, who are elected to four-year terms, and by directly elected municipal councils. Bulgaria is a highly centralized state where the Council of Ministers directly appoints regional governors and all provinces and municipalities are heavily dependent on it for funding.[136]

Foreign relations and security[edit]

Bulgaria became a member of the United Nations in 1955 and since 1966 has been a non-permanent member of the Security Council three times, most recently from 2002 to 2003.[169] It was also among the founding nations of the Organization for Security and Co-operation in Europe (OSCE) in 1975. Euro-Atlantic integration has been a priority since the fall of communism, although the communist leadership also had aspirations of leaving the Warsaw Pact and joining the European Communities by 1987.[170][171] Bulgaria signed the European Union Treaty of Accession on 25 April 2005,[172] and became a full member of the European Union on 1 January 2007.[105] In addition, it has a tripartite economic and diplomatic collaboration with Romania and Greece,[173] good ties with China[174] and Vietnam[175] and a historical relationship with Russia.[176][177][178][179]

Bulgarian MiG-29 fighters in flight
Mikoyan MiG-29 jet fighters of the Bulgarian Air Force

Bulgaria deployed significant numbers of both civilian and military advisors in Soviet-allied countries like Nicaragua[180] and Libya during the Cold War.[181] The first deployment of foreign troops on Bulgarian soil since World War II occurred in 2001, when the country hosted six KC-135 Stratotanker aircraft and 200 support personnel for the war effort in Afghanistan.[20] International military relations were further expanded with accession to NATO in March 2004[104] and the US-Bulgarian Defence Cooperation Agreement signed in April 2006. Bezmer and Graf Ignatievo air bases, the Novo Selo training range, and a logistics centre in Aytos subsequently became joint military training facilities cooperatively used by the United States and Bulgarian militaries.[182][183]

Domestic defence is the responsibility of the all-volunteer Bulgarian armed forces, composed of land forces, navy and an air force. The land forces consist of two mechanized brigades and eight independent regiments and battalions; the air force operates 106 aircraft and air defence systems in six air bases, and the navy operates various ships, helicopters and coastal defence weapons.[184] Active troops dwindled from 152,000 in 1988[185] to 31,300 in 2017, supplemented by 3,000 reservists and 16,000 paramilitary.[186] The inventory consists mostly of Soviet equipment like Mikoyan MiG-29 and Sukhoi Su-25 jets,[187] S-300PT air defence systems[188] and SS-21 Scarab short-range ballistic missiles.[189]


Graph showing GDP and unemployment
Economic growth (green) and unemployment (blue) statistics since 2001

Bulgaria has an open, upper middle income range market economy where the private sector accounts for more than 70% of GDP.[190][191] From a largely agricultural country with a predominantly rural population in 1948, by the 1980s Bulgaria had transformed into an industrial economy with scientific and technological research at the top of its budgetary expenditure priorities.[192] The loss of COMECON markets in 1990 and the subsequent "shock therapy" of the planned system caused a steep decline in industrial and agricultural production, ultimately followed by an economic collapse in 1997.[193][194] The economy largely recovered during a period of rapid growth several years later,[193] but the average salary of 1,036 leva ($615) per month remains the lowest in the EU.[195] More than a fifth of the labour force are employed on a minimum wage of $1.16 per hour.[196]

A balanced budget was achieved in 2003 and the country began running a surplus the following year.[197] Expenditures amounted to $21.15 billion and revenues were $21.67 billion in 2017.[198] Most government spending on institutions is earmarked for security. The ministries of defence, the interior and justice are allocated the largest share of the annual government budget, whereas those responsible for the environment, tourism and energy receive the least amount of funding.[199] Taxes form the bulk of government revenue[199] at 30% of GDP.[200] Bulgaria has some of the lowest corporate income tax rates in the EU at a flat 10% rate.[201] The tax system is two-tier. Value added tax, excise duties, corporate and personal income tax are national, whereas real estate, inheritance, and vehicle taxes are levied by local authorities.[202] Strong economic performance in the early 2000s reduced government debt from 79.6% in 1998 to 14.1% in 2008.[197] It has since increased to 28.7% of GDP by 2016, but remains the third lowest in the EU.[203]

The Yugozapaden planning area is the most developed region with a per capita gross domestic product (PPP) of $26,580 in 2016.[204] It includes the capital city and the surrounding Sofia Province, which alone generate 42% of national gross domestic product despite hosting only 22% of the population.[205][3] PPP GDP per capita and the cost of living in 2017 stood at 49 and 48.4% of the EU average, respectively.[206][207] National PPP GDP was estimated at $143.1 billion in 2016, with a per capita value of $20,116.[208] Economic growth statistics take into account illegal transactions from the informal economy, which is the largest in the EU as a percentage of economic output.[209][210] The Bulgarian National Bank issues the national currency, lev, which is pegged to the euro at a rate of 1.95583 levа per euro.[211]

After several consecutive years of high growth, repercussions of the financial crisis of 2007–2008 resulted in a 3.6% contraction of GDP in 2009 and increased unemployment.[212][213] Industrial output declined 10%, mining by 31%, and ferrous and metal production marked a 60% drop.[214] Positive growth was restored in 2010 but intercompany debt exceeded $59 billion, meaning that 60% of all Bulgarian companies were mutually indebted.[215] By 2012, it had increased to $97 billion, or 227% of GDP.[216] The government implemented strict austerity measures with IMF and EU encouragement to some positive fiscal results, but the social consequences of these measures, such as increased income inequality and accelerated outward migration, have been "catastrophic" according to the International Trade Union Confederation.[217]

Siphoning of public funds to the families and relatives of politicians from incumbent parties has resulted in fiscal and welfare losses to society.[218][219] Bulgaria ranks 71st in the Corruption Perceptions Index[220] and experiences the worst levels of corruption in the European Union, a phenomenon that remains a source of profound public discontent.[221][222] Along with organized crime, corruption has resulted in a rejection of the country's Schengen Area application and withdrawal of foreign investment.[223][224][225] Government officials reportedly engage in embezzlement, influence trading, government procurement violations and bribery with impunity.[156] Government procurement in particular is a critical area in corruption risk. An estimated 10 billion leva ($5.99 billion) of state budget and European cohesion funds are spent on public tenders each year;[226] nearly 14 billion ($8.38 billion) were spent on public contracts in 2017 alone.[227] A large share of these contracts are awarded to a few politically connected[228] companies amid widespread irregularities, procedure violations and tailor-made award criteria.[229] Despite repeated criticism from the European Commission,[225] EU institutions refrain from taking measures against Bulgaria because it supports Brussels on a number of issues, unlike Poland or Hungary.[221]


Economic complexity chart showing the various kinds of Bulgarian exports
Tree-map of Bulgarian exports in 2016

The labour force is 3.36 million people,[230] of whom 6.8% are employed in agriculture, 26.6% in industry and 66.6% in the services sector.[231] Extraction of metals and minerals, production of chemicals, machine building, steel, biotechnology, tobacco and food processing and petroleum refining are among the major industrial activities.[232][233][234] Mining alone employs 24,000 people and generates about 5% of the country's GDP; the number of employed in all mining-related industries is 120,000.[235][236] Bulgaria is Europe's fifth-largest coal producer.[236][237] Local deposits of coal, iron, copper and lead are vital for the manufacturing and energy sectors.[238]

Two-thirds of food and agricultural exports go to OECD countries.[239] Although cereal and vegetable output dropped by 40% between 1990 and 2008,[240] output has since increased, and the 2016–2017 season registered the biggest grain output in a decade.[241][242] Maize, barley, oats and rice are also grown. Quality Oriental tobacco is a significant industrial crop.[243] Bulgaria is also the largest producer globally of lavender and rose oil, both widely used in fragrances.[20][244][245][246] Of the services sector, tourism is a significant contributor to economic growth. Bulgaria has emerged as a travelling destination with its inexpensive resorts and beaches outside the reach of the tourist industry.[247] Most of the visitors are Romanian, German, Turkish, British and Russian.[248] Sofia, Plovdiv, Veliko Tarnovo, coastal resorts Golden Sands and Sunny Beach and winter resorts Bansko, Pamporovo and Borovets are some of the locations most visited by tourists.[249]

Science and technology[edit]

Spending on research and development amounts to 0.78% of GDP,[250] and the bulk of public R&D funding goes to the Bulgarian Academy of Sciences (BAS).[251] Private businesses accounted for more than 73% of R&D expenditures and employed 42% of Bulgaria's 22,000 researchers in 2015.[252] The same year, Bulgaria ranked 39th out of 50 countries in the Bloomberg Innovation Index, the highest score being in education (24th) and the lowest in value-added manufacturing (48th).[253] Chronic government underinvestment in research since 1990 has forced many professionals in science and engineering to leave Bulgaria.[254]

A SpaceX Falcon 9 rocket launching BulgariaSat-1 in June 2017
The launch of BulgariaSat-1 by SpaceX in 2017

Despite the lack of funding, research in chemistry, materials science and physics remains strong.[251] Three per cent of economic output is generated by the information and communication technologies (ICT) sector where 40,000[255] to 51,000 software engineers are employed.[256] More than a quarter of them are women, the highest percentage of females in ICT in any EU country.[257] High levels of female participation are a legacy of the Soviet era,[258] when the country was known as a "Communist Silicon Valley" due to its key role in COMECON computing technology production.[259] Bulgaria is also a regional leader in high performance computing and operates Avitohol, the most powerful supercomputer in Southeast Europe.[260]

Bulgaria has made numerous contributions to space exploration.[261] These include two scientific satellites, more than 200 payloads and 300 experiments in Earth orbit, as well as two cosmonauts since 1971.[261] Bulgaria was the first country to grow wheat and vegetables in space with its Svet greenhouses on the Mir space station.[262][263] It was involved in the development of the Granat gamma-ray observatory[264] and the Vega program, particularly in modelling trajectories and guidance algorithms for both Vega probes.[265][266] Bulgarian instruments have been used in the exploration of Mars, including a spectrometer that took the first high quality spectroscopic images of Martian moon Phobos with the Phobos 2 probe.[261][264] Cosmic radiation en route to and around the planet has been mapped by Liulin-ML dosimeters on the ExoMars TGO.[267] Variants of these instruments have also been fitted to the Chandrayaan-1 lunar probe and the International Space Station.[268][269] Bulgaria's first geostationary communications satelliteBulgariaSat-1—was launched by SpaceX in June 2017.[270]


Trakiya motorway, one of the main national motorways
Trakia motorway

Telephone services are widely available, and a central digital trunk line connects most regions.[271] Vivacom (BTC) serves more than 90% of fixed lines and is one of the three operators providing mobile services, along with A1 and Telenor.[272][273] Internet penetration stood at 61.9% of the population aged 16–74, in 2017.[274]

Bulgaria's strategic geographic location and well-developed energy sector make it a key European energy centre despite its lack of significant fossil fuel deposits.[275] Thermal power plants generate 48.9% of electricity, followed by nuclear power from the Kozloduy reactors (34.8%) and renewable sources (16.3%).[276] Equipment for a second nuclear power station at Belene has been acquired, but the fate of the project remains uncertain.[277] Installed capacity amounts to 12,668 MW, allowing Bulgaria to exceed domestic demand and export energy.[278]

The national road network has a total length of 19,512 kilometres (12,124 mi),[279] of which 19,235 kilometres (11,952 mi) are paved. Railroads are a major mode of freight transportation, although highways carry a progressively larger share of freight. Bulgaria has 6,238 kilometres (3,876 mi) of railway track[271] and currently a total of 81 kilometres (50 miles) of high-speed lines are in operation.[280][281] Rail links are available with Romania, Turkey, Greece, and Serbia, and express trains serve direct routes to Kiev, Minsk, Moscow and Saint Petersburg.[282] Sofia and Plovdiv are the country's air travel hubs, while Varna and Burgas are the principal maritime trade ports.[271]


Population graph
Population trend since 1960

The population of Bulgaria is 7,364,570 people according to the 2011 national census. The majority of the population, or 72.5%, reside in urban areas.[283] As of 2017, Sofia is the most populated urban centre with 1,325,429 people, followed by Plovdiv (345,000), Varna (344,000), Burgas (209,000) and Ruse (160,000).[3] Bulgarians are the main ethnic group and comprise 84.8% of the population. Turkish and Roma minorities comprise 8.8 and 4.9%, respectively; some 40 smaller minorities comprise 0.7%, and 0.8% do not self-identify with an ethnic group.[284][285] Former Statistics head Reneta Indzhova has disputed the 2011 census figures, suggesting the actual population is smaller than reported and a higher percentage of citizens are of Romani origin.[286][287] The Roma minority is usually underestimated in census data and may represent up to 11% of the population.[288] Population density is 65 per square kilometre, almost half the European Union average.[289]

Bulgaria is in a state of demographic crisis.[290][291] It has had negative population growth since the early 1990s, when the economic collapse caused a long-lasting emigration wave.[292] Some 937,000 to 1,200,000 people—mostly young adults—left the country by 2005.[292][293] The total fertility rate (TFR) was estimated at 1.46 children born per woman in 2017.[294] The majority of children are born to unmarried women.[295] Furthermore, a third of all households consist of only one person and 75.5% of families do not have children under the age of 16.[291] The resulting birth rates are among the lowest in the world[296][297] while death rates are among the highest.[298]

High death rates result from a combination of an ageing population, a high number of people at risk of poverty and a weak healthcare system.[299] More than 80% of all deaths are due to cancer and cardiovascular conditions; nearly a fifth of those are avoidable.[300] Mortality rates can be sharply reduced to levels below the EU average through timely and adequate access to medical services, which the healthcare system does not provide fully.[301] Although healthcare in Bulgaria is nominally universal,[302] out-of-pocket expenses account for nearly half of all healthcare spending, which significantly limits access to medical care.[303] Other problems disrupting care provision are the emigration of doctors due to low wages, understaffed and under-equipped regional hospitals, supply shortages and frequent changes to the basic service package for those insured.[304][305] The 2018 Bloomberg Health Care Efficiency Index ranked Bulgaria last out of 56 countries.[306] Average life expectancy is 74.7 years compared with an EU average of 80.2 and a world average of 69.[307][308]

Sofia University building
The Rectorate of Sofia University

Public expenditures for education are far below the European Union average as well.[309] Educational standards were once high,[310] but have declined significantly since the early 2000s.[309] Bulgarian students were among the highest-scoring in the world in terms of reading in 2001, performing better than their Canadian and German counterparts; by 2006, scores in reading, math and science had dropped. Although average literacy stands at 98.4% with no significant difference between sexes,[311] functional illiteracy is significant. The PISA study of 2015 found 41.5% of pupils in the 9th grade to be functionally illiterate in reading, maths and science.[312] The Ministry of Education and Science partially funds public schools, colleges and universities, sets criteria for textbooks and oversees the publishing process. Education in primary and secondary public schools is free and compulsory.[310] The process spans through 12 grades, where grades one through eight are primary and nine through twelve are secondary level. Higher education consists of a 4-year bachelor degree and a 1-year master's degree.[313] Bulgaria's highest-ranked higher education institution is Sofia University.[314][315]

All ethnic groups speak Bulgarian, either as a first or as a second language. Bulgarian is the only language with official status and native for 85.2% of the population. The oldest written Slavic language, Bulgarian is distinguishable from the other languages in this group through certain grammatical peculiarities such as the lack of noun cases and infinitives, and a suffixed definite article.[56]

More than three-quarters of Bulgarians subscribe to Eastern Orthodoxy.[316] Sunni Muslims are the second-largest religious community and constitute 10% of Bulgaria's overall religious makeup, although a majority of them are not observant and find the use of Islamic veils in schools unacceptable.[317] Less than 3% of the population are affiliated with other religions and 11.8% are irreligious or do not self-identify with a religion.[316] The Bulgarian Orthodox Church gained autocephalous status in 927 AD,[318][319] and has 12 dioceses and over 2,000 priests.[320] Bulgaria is a secular state with guaranteed religious freedom by constitution, but Orthodoxy is designated as a "traditional" religion.[321]


Bulgarian Kuker
Kuker in Lesichovo

Contemporary Bulgarian culture blends the formal culture that helped forge a national consciousness towards the end of Ottoman rule with millennia-old folk traditions.[322] An essential element of Bulgarian folklore is fire, used to banish evil spirits and illnesses. Many of these are personified as witches, whereas other creatures like zmey and samodiva (veela) are either benevolent guardians or ambivalent tricksters.[323] Some rituals against evil spirits have survived and are still practised, most notably kukeri and survakari.[324] Martenitsa is also widely celebrated.[325] Nestinarstvo, a ritual fire-dance of Thracian origin, is included in the list of UNESCO Intangible Cultural Heritage.[326][327]

Nine historical and natural objects are UNESCO World Heritage Sites: Pirin National Park, Sreburna Nature Reserve, the Madara Rider, the Thracian tombs in Sveshtari and Kazanlak, the Rila Monastery, the Boyana Church, the Rock-hewn Churches of Ivanovo and the ancient city of Nesebar.[328] The Rila Monastery was established by Saint John of Rila, Bulgaria's patron saint, whose life has been the subject of numerous literary accounts since Medieval times.[329]

During the Middle Ages, the establishment of the Preslav and Ohrid literary schools in the 10th century is associated with a golden period in Bulgarian literature.[329] The schools' emphasis on Christian scriptures made the Bulgarian Empire a centre of Slavic culture, bringing Slavs under the influence of Christianity and providing them with a written language.[330][331][332] Its alphabet, Cyrillic script, was developed by the Preslav Literary School.[333] The Tarnovo Literary School, on the other hand, is associated with a Silver age of literature defined by high-quality manuscripts on historical or mystical themes under the Asen and Shishman dynasties.[329] Many literary and artistic masterpieces were destroyed by the Ottoman conquerors, and artistic activities did not re-emerge until the National Revival in the 19th century.[322] The enormous body of work of Ivan Vazov (1850–1921) covered every genre and touched upon every facet of Bulgarian society, bridging pre-Liberation works with literature of the newly established state.[329] Notable later works are Bay Ganyo by Aleko Konstantinov, the Nietzschean poetry of Pencho Slaveykov, the Symbolist poetry of Peyo Yavorov and Dimcho Debelyanov, the Marxist-inspired works of Geo Milev and Nikola Vaptsarov, and the Socialist realism novels of Dimitar Dimov and Dimitar Talev.[329] Tzvetan Todorov is a notable contemporary author,[334] while Bulgarian-born Elias Canetti was awarded the Nobel Prize in Literature in 1981.[335]

Christo's Mastaba installation in Hyde Park, London
Christo's Mastaba in Hyde Park, London

А religious visual arts heritage includes frescoes, murals and icons, many produced by the medieval Tarnovo Artistic School.[336] Like literature, it was not until the National Revival when Bulgarian visual arts began to reemerge. Zahari Zograf was a pioneer of the visual arts in the pre-Liberation era.[322] After the Liberation, Ivan Mrkvička, Anton Mitov, Vladimir Dimitrov, Tsanko Lavrenov and Zlatyu Boyadzhiev introduced newer styles and substance, depicting scenery from Bulgarian villages, old towns and historical subjects. Christo is the most famous Bulgarian artist of the 21st century, known for his outdoor installations.[322]

Folk music is by far the most extensive traditional art and has slowly developed throughout the ages as a fusion of Far Eastern, Oriental, medieval Eastern Orthodox and standard Western European tonalities and modes.[337] Bulgarian folk music has a distinctive sound and uses a wide range of traditional instruments, such as gadulka, gaida, kaval and tupan. A distinguishing feature is extended rhythmical time, which has no equivalent in the rest of European music.[20] The State Television Female Vocal Choir won a Grammy Award in 1990 for its performances of Bulgarian folk music.[338] Written musical composition can be traced back to the works of Yoan Kukuzel (c. 1280–1360),[339] but modern classical music began with Emanuil Manolov, who composed the first Bulgarian opera in 1890.[322] Pancho Vladigerov and Petko Staynov further enriched symphony, ballet and opera, with singers Ghena Dimitrova, Boris Christoff, Ljuba Welitsch and Nicolai Ghiaurov elevated to a world-class level.[322][340][341][342][343][344][345] Bulgarian performers have gained acclaim in other genres like electropop (Mira Aroyo), jazz (Milcho Leviev) and blends of jazz and folk (Ivo Papazov).[322]

The Bulgarian National Radio, bTV and daily newspapers Trud, Dnevnik and 24 Chasa are some of the largest national media outlets.[346] Bulgarian media were described as generally unbiased in their reporting in the early 2000s and print media had no legal restrictions.[347] Since then, freedom of the press has deteriorated to the point where Bulgaria scores 111th globally in the World Press Freedom Index, lower than all European Union members and membership candidate states. The government has diverted EU funds to sympathetic media outlets and bribed others to be less critical on problematic topics, while attacks against individual journalists have increased.[348][349] Collusion between politicians, oligarchs and the media is widespread.[348]

Bulgarian cuisine is similar to that of other Balkan countries and demonstrates strong Turkish and Greek influences.[350] Yogurt, lukanka, banitsa, shopska salad, lyutenitsa and kozunak are among the best-known local foods. Meat consumption is lower than the European average, given a cultural preference for a large variety of salads.[350] Bulgaria was the world's second-largest wine exporter until 1989, but has since lost that position.[351][352] The 2016 harvest yielded 128 million litres of wine, of which 62 million was exported mainly to Romania, Poland and Russia.[353] Mavrud, Rubin, Shiroka melnishka, Dimiat and Cherven Misket are the typical grapes used in Bulgarian wine.[354] Rakia is a traditional fruit brandy that was consumed in Bulgaria as early as the 14th century.[355]


Grigor Dimitrov in 2017
Grigor Dimitrov at the 2015 Italian Open

Bulgaria appeared at the first modern Olympic games in 1896, when it was represented by gymnast Charles Champaud.[356] Since then, Bulgarian athletes have won 52 gold, 89 silver, and 83 bronze medals,[357] ranking 25th in the all-time medal table. Weight-lifting is a signature sport of Bulgaria. Coach Ivan Abadzhiev developed innovative training practices that have produced many Bulgarian world and Olympic champions in weight-lifting since the 1980s.[358] Bulgarian athletes have also excelled in wrestling, boxing, gymnastics, volleyball and tennis.[358] Stefka Kostadinova is the reigning world record holder in the women's high jump at 2.09 metres (6 feet 10 inches), achieved during the 1987 World Championships.[359] Grigor Dimitrov is the first Bulgarian tennis player in the Top 10 ATP Rankings.[360]

Football is the most popular sport in the country by a substantial margin. The national football team's best performance was a semi-final at the 1994 FIFA World Cup, when the squad was spearheaded by forward Hristo Stoichkov.[358] Stoichkov is the most successful Bulgarian player of all time; he was awarded the Golden Boot and the Golden Ball and was considered one of the best in the world while playing for FC Barcelona in the 1990s.[361][362] CSKA and Levski, both based in Sofia,[358] are the most successful clubs domestically and long-standing rivals.[363] Ludogorets is remarkable for having advanced from the local fourth division to the 2014–15 UEFA Champions League group stage in a mere nine years.[364] Placed 39th in 2018, it is Bulgaria's highest-ranked club in UEFA.[365]

See also[edit]

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  1. These figures have been disputed due to methodological and procedural flaws reported in the 2011 census. In particular, the number of Romani citizens may be significantly lower than the actual number. See Demographics.
  2. 19 February in the Julian calendar used at the time.
  3. 22 September in the Julian calendar used at the time.


  1. 1.0 1.1 Penin, Rumen (2007). Природна география на България [Natural Geography of Bulgaria] (in Bulgarian). Bulvest 2000. p. 18. ISBN 978-954-18-0546-6.CS1 maint: Unrecognized language (link) Search this book on
  2. "Field listing: Area". The World Factbook. Central Intelligence Agency. Retrieved 9 October 2018.
  3. 3.0 3.1 3.2 NSI Census data 2017.
  4. 4.0 4.1 4.2 4.3 "Report for Selected Countries and Subjects (Bulgaria)". International Monetary Fund. Retrieved 9 October 2018.
  5. "Gini coefficient of equivalised disposable income (source: SILC)". Eurostat Data Explorer. Retrieved 31 March 2016.
  6. "Human Development Indices and Indicators 2018 Statistical Update" (PDF). HDRO (Human Development Report Office) United Nations Development Programme. Retrieved 14 September 2018.
  7. Golden 1992, pp. 103–104.
  8. Bowersock, Glen W. (1999). Late Antiquity: a Guide to the Postclassical World. Harvard University Press. p. 354. ISBN 978-0674511736. Search this book on
  9. Chen 2012, p. 97.
  10. Petersen, Leif Inge Ree (2013). Siege Warfare and Military Organization in the Successor States (400–800 AD): Byzantium, the West and Islam. Brill. p. 369. ISBN 978-9004254466. Search this book on
  11. Golden 1992, p. 104.
  12. Chen 2012, pp. 92–95, 97.
  13. Tillier, Anne-Marie; Sirakov, Nikolay; Guadelli, Aleta; Fernandez, Philippe; Sirakova, Svoboda (October 2017). "Evidence of Neanderthals in the Balkans: The infant radius from Kozarnika Cave (Bulgaria)". Journal of Human Evolution (111): 54–62. Retrieved 14 September 2018.
  14. Gimbutas, Marija A. (1974). The Gods and Goddesses of Old Europe: 7000 to 3500 BC Myths, Legends and Cult Images. University of California Press. pp. 29–32. ISBN 978-0520019959. Search this book on
  15. Roberts, Benjamin W.; Thornton, Christopher P. (2009). "Development of metallurgy in Eurasia". Department of Prehistory and Europe, British Museum. p. 1015. Retrieved 28 July 2018. In contrast, the earliest exploitation and working of gold occurs in the Balkans during the mid-fifth millennium BC, several centuries after the earliest known copper smelting. This is demonstrated most spectacularly in the various objects adorning the burials at Varna, Bulgaria (Renfrew 1986; Highamet al. 2007). In contrast, the earliest gold objects found in Southwest Asia date only to the beginning of the fourth millennium BC as at Nahal Qanah in Israel (Golden 2009), suggesting that gold exploitation may have been a Southeast European invention, albeit a short-lived one.
  16. Laet, Sigfried J. de (1996). History of Humanity: From the Third Millennium to the Seventh Century BC. UNESCO / Routledge. p. 99. ISBN 978-92-3-102811-3. The first major gold-working centre was situated at the mouth of the Danube, on the shores of the Black Sea in Bulgaria Search this book on
  17. Grande, Lance (2009). Gems and Gemstones: Timeless Natural Beauty of the Mineral World. University of Chicago Press. p. 292. ISBN 978-0-226-30511-0. The oldest known gold jewelry in the world is from an archaeological site in Varna Necropolis, Bulgaria, and is over 6,000 years old (radiocarbon dated between 4,600 BC and 4,200 BC). Search this book on
  18. Anthony (ed), David W.; Chi (ed.), Jennifer (2010). The Lost World of Old Europe: The Danube Valley, 5000–3500 BC. Institute for the Study of the Ancient World. pp. 39, 201. ISBN 978-0-691-14388-0. grave 43 at the Varna cemetery, the richest single grave from Old Europe, dated about 4600–4500 BC.CS1 maint: Extra text: authors list (link) Search this book on
  19. "The Gumelnita Culture". Government of France. Retrieved 4 December 2011. The Necropolis at Varna is an important site in understanding this culture.
  20. 20.0 20.1 20.2 20.3 "Bulgaria Factbook". United States Central Command. December 2011. Archived from the original on 18 October 2011. Retrieved 4 October 2018.
  21. Schoenberger, Erica (2015). Nature, Choice and Social Power. Routledge. p. 81. ISBN 978-0-415-83386-8. The graves at Varna range from poor to richly endowed, suggesting a rather high degree of social differentiation. Their discovery has led to a re-evaluation of the form of social organization characteristic of the Varna culture and of the onset of social stratification in Neolithic cultures. Search this book on
  22. Crampton 1987, p. 1.
  23. 23.0 23.1 "Bulgar". Encyclopædia Britannica. Retrieved 28 July 2018.
  24. Boardman, John; Edwards, I.E.S.; Sollberger, E. (1982). The Cambridge Ancient History – part 1: The Prehistory of the Balkans, the Middle East and the Aegean World, Tenth to Eighth Centuries BC. 3. Cambridge University Press. p. 53. ISBN 978-0521224963. Yet we cannot identify the Thracians at that remote period, because we do not know for certain whether the Thracian and Illyrian tribes had separated by then. It is safer to speak of Proto-Thracians from whom there developed in the Iron Age Search this book on
  25. 25.0 25.1 25.2 Allcock, John B. "Balkans". Encyclopædia Britannica. Retrieved 16 August 2018.
  26. Kidner, Frank (2013). Making Europe: The Story of the West. Cengage Learning. p. 57. ISBN 978-1111841317. Search this book on
  27. 27.0 27.1 Roisman 2011, pp. 135–138, 343–345.
  28. Nagle, D. Brendan (2006). Readings in Greek History: Sources and Interpretations. Oxford University Press. p. 230. ISBN 978-0199978458. However, one of the Thracian tribes, the Odrysians, succeeded in unifying the Thracians and creating a powerful state Search this book on
  29. Ashley, James R. (1998). The Macedonian Empire: The Era of Warfare Under Philip II and Alexander the Great, 359–323 B.C. McFarland & Company, Inc. pp. 139–140. ISBN 978-0786419180. Search this book on
  30. O Hogain, Daithi (2002). The Celts: A History. The Boydell Press. pp. 69–71. ISBN 978-0851159232. Search this book on
  31. Gagarin, Michael, ed. (2010). The Oxford Encyclopedia of Ancient Greece and Rome. 1. Oxford University Press. p. 55. ISBN 978-0-19-517072-6. Search this book on
  32. "Ulfilas". Encyclopædia Britannica. Retrieved 18 August 2018.
  33. Bell, John D. "The Beginnings of Modern Bulgaria". Encyclopædia Britannica. Retrieved 9 October 2018.
  34. Singleton, Fred; Fred, Singleton (1985). A Short History of the Yugoslav Peoples. Cambridge University Press. pp. 13–14. ISBN 9780521274852. Search this book on
  35. Fouracre, Paul; McKitterick, Rosamond; Reuter, Timothy; Abulafia, David; Luscombe, David Edward; Allmand, C.T.; Riley-Smith, Jonathan; Jones, Michael (1995). The New Cambridge Medieval History: Volume 1, c. 500 - c. 700. Cambridge University Press. p. 524. ISBN 9780521362917. Search this book on
  36. Curta, Florin (2001). The Making of the Slavs: History and Archaeology of the Lower Danube Region, c. 500–700 (PDF). Cambridge University Press. pp. 311–334. ISBN 9781139428880. Search this book on
  37. MacDermott 1998, p. 19.
  38. Detrez, Raymond (2014). Historical Dictionary of Bulgaria. Rowman & Littlefield. p. 5. ISBN 978-1442241794. Search this book on
  39. Parry, Ken, ed. (2010). The Blackwell Companion to Eastern Christianity. Wiley-Blackwell. p. 48. ISBN 978-1444333619. The conquest of the Balkans and the rise of the Bulgarian Empire was not a disaster for the indigenous population and its material and spiritual culture. The settlers and the local Romanized or semi-Romanized Thraco-Illyrian Christians influenced each other's way of life and socio-economic organization, as well as each other's cultures, language and religious outlook. Search this book on
  40. Wolfram, Herwig (1990). History of the Goths. University of California Press. p. 8. ISBN 978-0520069831. Search this book on
  41. Zlatarski, Vasil (1938). История на Първото българско Царство. I. Епоха на хуно–българското надмощие (679–852) [History of the First Bulgarian Empire. Period of Hunnic-Bulgarian domination (679–852)] (in Bulgarian). Marin Drinov Publishing House. p. 188. ISBN 978-9544302986. Retrieved 23 May 2012.CS1 maint: Unrecognized language (link) Search this book on
  42. Fine, John V.A.; Fine, John Van Antwerp (1991). The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century. University of Michigan Press. pp. 68–70. ISBN 978-0472081493. Search this book on
  43. Vlasto, Alexis P. (1970). The Entry of the Slavs Into Christendom: An Introduction to the Medieval History of the Slavs. Cambridge University Press. p. 157. ISBN 978-0521074599. Search this book on
  44. "Krum". Encyclopædia Britannica. Retrieved 28 July 2018.
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  322. 322.0 322.1 322.2 322.3 322.4 322.5 322.6 Bell, John D. "Bulgaria – The arts". Encyclopædia Britannica. Retrieved 28 July 2018. The early impetus of Bulgarian traditions in the arts was cut short by the Ottoman occupation in the 14th century, and many early masterpieces were destroyed. ... the foundations were laid for later artists such as Vladimir Dimitrov, an extremely gifted painter specializing in the rural scenes of his native country ... At the beginning of the 21st century, the best-known contemporary Bulgarian artist was Christo, an environmental sculptor known for wrapping famous structures
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  332. McNeill, William Hardy (1963). The Rise of the West. University of Chicago Press. p. 49. ISBN 978-1112695315. Accordingly, when Bulgaria was converted to Christianity (after 865), bringing massive Slavic-speaking populations within the pale of Christendom, a new literary language, Old Church Slavonic, directly based upon Bulgarian speech, developed for their use. Search this book on
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  337. Kremenliev, Boris A. (1952). Bulgarian-Macedonian Folk Music. University of California Press. p. 52. Bulgaria's scales are numerous, and it may be demonstrated that they are a fusion of Eastern and Western influences. ... first, Oriental scales; second, church modes: the osmoglasie ... third, the conventional scales of Western Europe. ... Among the scales which have come to the Balkans from Asia, the pentatonic is one of the most widely used in Bulgaria. Whether it came from China or Japan, as Dobri Hristov suggests Search this book on
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  352. "Bulgaria Ranks 22nd in World Wine Production". Novinite. 21 October 2016.
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  358. 358.0 358.1 358.2 358.3 Bell, John D. "Bulgaria – Sport and recreation". Encyclopædia Britannica. Retrieved 22 July 2018. In international sports competition, Bulgarians have excelled in tennis, wrestling, boxing, and gymnastics, but the country's greatest repute may be in weight-lifting. ... Fans of football (soccer), the most popular sport in Bulgaria, were buoyed by the success of the national team in the 1994 World Cup, when it advanced to the semi-final match under the leadership of forward Hristo Stoichkov. The premier league in Bulgaria has 16 teams, of which four play in Sofia: CSKA, Levski, Slavia, and Lokomotiv.
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