Place
- Bulgaria, Europe3
- Egypt, Africa2
- Razgrad, Bulgaria2
- Ruse, Bulgaria2
- Russian Soviet Federative Socialist Republic, Asia2
- Shumen Municipality, Bulgaria2
- Sofia Province, Bulgaria2
- Turkey, Europe/Asia2
- Varna, Bulgaria2
- Vienna, Austria2
- Albania, Europe1
- America, North America1
- Ankara, Turkey1
- Belgium, Europe1
- Caucasus, Eurasia1
- Dobruja, Europe1
- England1
- France1
- Germany1
- Greece1