Place
- Bulgaria, Europe19
- Sofia Province, Bulgaria12
- France6
- Germany6
- Ruse, Bulgaria6
- Sofia, Bulgaria6
- Romania, Europe5
- Russian Soviet Federative Socialist Republic, Asia5
- Shumen Municipality, Bulgaria5
- Varna, Bulgaria5
- Austria, Europe4
- England4
- Greece4
- India, Asia4
- Russia, Europe4
- Shumen (city), Bulgaria4
- Shumen Province, Bulgaria4
- Svishtov, Velik Tarnovo Province, Bulgaria4
- Vienna, Austria4
- America, North America3