Black Sea Euroregion

Columns: City | Population | Country
Provadiya | 13,090 | Bulgaria | Kavarna | 11,368 | Bulgaria | Balchik | 11,321 | Bulgaria | Hârşova | 11,198 | Romania | Murfatlar | 10,857 | Romania | Măcin | 10,625 | Romania

Example questions:
What is the population of the third largest city in Bulgaria , which is also a Black Sea Euroregion ? | What is the population of the Black Sea Euroregion town located on the right bank of the Danube ? | What is the population of the Black Sea Euroregion town with the historical name Kara Koyum ? | What is the population of the Black Sea Euroregion town founded around 600 BC ?

Answers:
343,486 | 11,198 | 34,669 | 310,471