Bulgaria

Introduction & Quick Facts
Land
- Relief
  - North Bulgaria
  - Transitional region
  - South Bulgaria
  - Coastal region
- Drainage
- Soils
- Climate
- Plant and animal life
People
- Ethnic groups
- Language
- Religion
- Settlement patterns
- Demographic trends
Economy
- Agriculture
- Resources and power
- Manufacturing
- Finance
- Trade
- Tourism
- Labour and taxation
- Transportation and telecommunications
Government and society
- Constitutional framework
- Local government
- Justice
- Political process
- Security
- Health and welfare
- Housing
- Education
Cultural life
- Daily life and social customs
- Festivals
- The arts
- Cultural institutions
- Sport and recreation
- Media and publishing
History
- The Thracians
- The beginnings of modern Bulgaria
  - Slavic invasions
  - Arrival of the Bulgars
- The first Bulgarian empire
  - The spread of Christianity
  - Reign of Simeon I
- The second Bulgarian empire
- Ottoman rule
  - The “Turkish yoke”
  - Ottoman administration
  - Decline of the Ottoman Empire
- The national revival
  - Spread of education
  - Cultural movement against Greek influence
  - National revolution
  - Treaties of San Stefano and Berlin
- The principality
  - Political divisions under Alexander of Battenberg
  - Prince Ferdinand’s rule
  - Bulgaria at the end of the 19th century
- Foreign policy under Ferdinand
  - The Balkan Wars
  - World War I
- Postwar politics and government
  - Programs of the Agrarian Union
  - Stamboliyski’s foreign policy
  - Communist uprising
  - Attempts to stabilize government
- World War II
  - Boris’s alliance with Germany
  - Defending Bulgarian Jews
  - Bulgarian resistance to the Axis alliance
- The early communist era
  - Consolidation of power
  - Reforms under the Fatherland Front
- Stalinism and de-Stalinization
- Late communist rule
  - Rise of Todor Zhivkov
  - End of party rule
  - Bulgaria’s transition

References & Edit History Facts & Stats

Images, Videos & Interactives

Flag of Bulgaria with three horizontal stripes: white on top, green in the middle, and red on the bottom.

Political map of Bulgaria showing international boundaries, major cities, and neighboring countries including Romania, Serbia, North Macedonia, Greece, and Turkey. The map highlights Bulgaria's location along the Black Sea and includes a small locator map in the bottom right corner for regional context.

Map highlighting Bulgaria and its location in southeastern Europe, showing its borders with Romania to the north, Serbia and North Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. The capital city, Sofia, is marked near the western border. Surrounding countries and nearby seas, including the Aegean and Mediterranean, are also labeled.

Map of Bulgaria highlighting its physical features, including major mountain ranges such as the Balkan, Rila, Pirin, and Rhodope Mountains, as well as plains like the Danubian and Thracian Plains. Key rivers, reservoirs, and the Black Sea coastline are shown, along with borders with Romania, Serbia, North Macedonia, Greece, and Turkey. An inset locator map shows Bulgaria's position within Europe.

Map showing the Danube River basin across central and southeastern Europe, with the Danube and its tributaries highlighted. Elevation is indicated by color shading, and major cities, country boundaries, and drainage basin limits are marked. An inset locator map shows the basin's position within Europe.

Various vulture species of Bulgaria's hidden corners

Bulgaria: Ethnic composition

Bulgaria: Religious affiliation

At a Glance

default image

Bulgaria summary

Bulgaria: Media

country, Europe

Videos

Various vulture species of Bulgaria's hidden corners

Various vulture species of Bulgaria's hidden corners

Egyptian, griffon, and cinereous (Eurasian black) vultures feeding on a dead goat...

Video: Contunico © ZDF Studios GmbH, Mainz

The word Bulgaria appears in white text over a blue background.

How to pronounce Bulgaria

Video: Encyclopædia Britannica, Inc.

Watch white and colored marble quarried in Bulgarian mountains and transported for fabrication

Watch white and colored marble quarried in Bulgarian mountains and transported for fabrication

Marble quarrying and fabrication near Velingrad, Bulg.

Video: Encyclopædia Britannica, Inc.

European bee-eaters' journey to parenthood

European bee-eaters' journey to parenthood

Learn about the European bee-eater.

Video: Contunico © ZDF Studios GmbH, Mainz

Courtship rituals of European bee-eaters and rollers

Courtship rituals of European bee-eaters and rollers

Learn about the courtship rituals of European bee-eaters and European rollers.

Video: Contunico © ZDF Studios GmbH, Mainz

Images

Flag of Bulgaria with three horizontal stripes: white on top, green in the middle, and red on the bottom.

Bulgaria

Encyclopædia Britannica, Inc.

Political map of Bulgaria showing international boundaries, major cities, and neighboring countries including Romania, Serbia, North Macedonia, Greece, and Turkey. The map highlights Bulgaria's location along the Black Sea and includes a small locator map in the bottom right corner for regional context.

Bulgaria

Encyclopædia Britannica, Inc.

Map highlighting Bulgaria and its location in southeastern Europe, showing its borders with Romania to the north, Serbia and North Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. The capital city, Sofia, is marked near the western border. Surrounding countries and nearby seas, including the Aegean and Mediterranean, are also labeled.

Bulgaria

Encyclopædia Britannica, Inc.

Map of Bulgaria highlighting its physical features, including major mountain ranges such as the Balkan, Rila, Pirin, and Rhodope Mountains, as well as plains like the Danubian and Thracian Plains. Key rivers, reservoirs, and the Black Sea coastline are shown, along with borders with Romania, Serbia, North Macedonia, Greece, and Turkey. An inset locator map shows Bulgaria's position within Europe.

Physical features of Bulgaria

Encyclopædia Britannica, Inc.

Bulgaria

Bulgaria

Steppe grasslands at Point Kaliakra, Bulgaria, on the northwestern shore of the Black...

Oleg Polunin

Map showing the Danube River basin across central and southeastern Europe, with the Danube and its tributaries highlighted. Elevation is indicated by color shading, and major cities, country boundaries, and drainage basin limits are marked. An inset locator map shows the basin's position within Europe.

Danube River

The Danube River basin and its drainage network.

Encyclopædia Britannica, Inc.

Sofia, Bulgaria: St. Alexander Nevsky Cathedral

Sofia, Bulgaria: St. Alexander Nevsky Cathedral

St. Alexander Nevsky Cathedral of the Bulgarian Orthodox Church, Sofia, Bulgaria.

Dennis Jarvis (CC-BY-2.0) (A Britannica Publishing Partner)

Ruse: regional history museum

Ruse: regional history museum

Regional history museum in Ruse, Bulgaria.

Ivelin Mincov

Bulgaria

Bulgaria

Farm in the Sredna Mountains, Bulgaria.

Art Resource, New York

Harvesting machines moving across a golden wheat field under a cloudy sky.

Bulgaria

Farmers harvest wheat in northeastern Bulgaria.

John Launois/Black Star

Balkan Wars

Balkan Wars

Encyclopædia Britannica, Inc.

Shipka Pass

Shipka Pass

Shipka Pass in the Balkan Mountains, Bulgaria.

Aleksandr Sergeyevich Sigachev

Map of Europe color-coded to show the expansion of the European Union by year of joining, distinguishing original 1993 members, later additions in 1995, 2004, 2007, and 2013, as well as candidate countries and the United Kingdom as a former member. Country names are labeled within their borders.

European Union

Map of Europe with European Union member states.

Encyclopædia Britannica, Inc.

Bulgaria

Bulgaria

Encyclopædia Britannica, Inc.

Audio

National anthem of Bulgaria

The instrumental version of the national anthem of Bulgaria.

Interactives

Bulgaria: Ethnic composition

Bulgaria: Ethnic composition

Encyclopædia Britannica, Inc.

Bulgaria: Religious affiliation

Bulgaria: Religious affiliation

Encyclopædia Britannica, Inc.

Bulgaria: Urban-rural

Bulgaria: Urban-rural

Encyclopædia Britannica, Inc.

Bulgaria: Age breakdown

Bulgaria: Age breakdown

Encyclopædia Britannica, Inc.

Bulgaria: Major import sources

Bulgaria: Major import sources

Encyclopædia Britannica, Inc.

Bulgaria: Major export destinations

Bulgaria: Major export destinations

Encyclopædia Britannica, Inc.

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