Place
- Greece[remove]12
- Bulgaria, Europe8
- France7
- Germany6
- Sofia Province, Bulgaria6
- Russian Soviet Federative Socialist Republic, Asia5
- England4
- Istanbul, Turkey4
- Romania, Europe4
- Turkey, Europe/Asia4
- Egypt, Africa3
- India, Asia3
- Paris, France3
- Poland, Europe3
- Ruse, Bulgaria3
- Serbia, Europe3
- Spain, Europe3
- Thessaloniki, Greece3
- Vidin Province, Bulgaria3
- Vidin, Bulgaria3