| Clue | Answer | % Correct |
|---|---|---|
| Capital city | Sofia | 99%
|
| Bordering countries | Romania | 98%
|
| Bordering countries | Greece | 96%
|
| Bordering countries | Serbia | 95%
|
| Bordering countries | Turkey | 95%
|
| Bordering countries | North Macedonia | 93%
|
| Empire it was part of, 1396–1878 | Ottoman Empire | 93%
|
| Sea that borders Bulgaria | Black Sea | 92%
|
| Peninsula which Bulgaria is situated on | Balkans | 90%
|
| Dominant branch of Christianity | Eastern Orthodox | 85%
|
| Common alphabet that was first used in Bulgaria | Cyrillic | 83%
|
| Ethnic group that includes Bulgarians, Ukrainians, and Serbs | Slavs | 82%
|
| Longest river | Danube | 81%
|
| Country that invaded in 1944 | Soviet Union | 67%
|
| Biggest coastal cities | Varna | 60%
|
| Second biggest city, oldest city in Europe | Plovdiv | 56%
|
| Currency | Lev | 51%
|
| Biggest coastal cities | Burgas | 46%
|
| Historical region southeastern Bulgaria was part of | Thrace | 37%
|
| Fruit brandy | Rakia | 27%
|