Administrative divisions of Bulgaria
Bulgaria is divided into 28 first-level administrative divisions:
Largest cities in Bulgaria
| # | City | Population |
|---|---|---|
| 1 | SofiaCapital | 1,185,000 |
| 2 | Plovdiv | 340,494 |
| 3 | Varna | 312,770 |
| 4 | Burgas | 195,966 |
| 5 | Ruse | 184,270 |
| 6 | Stara Zagora | 143,431 |
| 7 | Pleven | 118,675 |
| 8 | Sliven | 96,368 |
| 9 | Dobrich | 94,831 |
| 10 | Shumen | 87,283 |
Sofia is the largest urban area in Bulgaria with about 1,185,000 people.
Terrain, rivers & lakes
Highest terrain in Bulgaria: ≈ 2,908 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.
🌊 Rivers
- Strymnas
- Danube
- Evros
- Olt
🏞️ Lakes
No major lakes at this scale.
Ethnic groups in Bulgaria
Bulgarian 78.5%, Turkish 7.8%, Roma 4.1%, other 1.2%, unspecified 9.4% (2021 est.)
Regionally, Bulgarian is the most common ethnic group across most of the 28 divisions, while Turkish predominates in 2 divisions (Kardzhali, Razgrad).
Source: CIA World Factbook (2021 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Bulgaria
Christian 64.7%, Muslim 9.8%, other 0.1%, none 4.7%, unspecified 20.7% (2021 est.)
Regionally, Christian is the most common religious group across most of the 28 divisions, while Muslim predominates in 2 divisions (Kardzhali, Razgrad).
Source: CIA World Factbook (2021 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Bulgaria
Bulgarian (official) 77.3%, Turkish 7.9%, Romani 3.5%, other 1%, unspecified 10.4% (2021 est.)
Regionally, Bulgarian is the most common language group across most of the 28 divisions, while Turkish predominates in 2 divisions (Kardzhali, Razgrad).
Source: CIA World Factbook (2021 est.) · regional dominance compiled by Glostats from censuses and surveys
Explore more
Sources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-19. More about our data.