Surnames are sorted in the order of popularity,highest being at top.
You can search Alphabetically like "Starting with A"
Bulgarian surnames are often influenced by Ethnicity,language and religion.
Ethnic Groups: Bulgarian 76.9%, Turkish/Balkan Gagauz 8%, Romani 4.4%, other 0.7% (including Russian, Armenian, and Vlach), other (unknown) 10%.
Languages of Bulgaria:
Main Language: Bulgarian 76.8%, Balkan Gagauz 8.2%, Romani 3.8%, other 0.7%.
Religion: Eastern Orthodox 59.4%, Muslim 7.8%, other (including Catholic, Protestant, Armenian Apostolic Orthodox, and Jewish) 1.7%, none 3.7%, Not Known 27.4%.
If you are looking for Bulgarian surnames, these factors may affect the surname you choose.