Plovdiv (Пловдив)
Burgas is the largest port in the nation of Bulgaria. The airport in that city is the second most important airport in the nation.
Sofia.
Sofia is the capital and largest city of Bulgaria.
Sofia is Bulgaria's largest city, with a population of 1,152,556.
Sofia is the capital and largest city of Bulgaria.
St. Louis is the second largest city in Missouri. The largest city is Kansas City. The third largest city is Springfield.
Russia's second largest city is Saint Petersburg.
The second largest city of Lithuania is Kaunas.
The second largest city in the UK is Birmingham
Birmingham is the second largest city in the U.K.
Miami is the second largest city of Florida.