Place
- Vienna, Austria[remove]6
- Bulgaria, Europe5
- Ruse, Bulgaria5
- Austria, Europe4
- Germany4
- Romania, Europe4
- Sofia Province, Bulgaria4
- Egypt, Africa3
- England3
- France3
- Russian Soviet Federative Socialist Republic, Asia3
- Spain, Europe3
- America, North America2
- Belgium, Europe2
- Greece2
- Hungary, Europe2
- India, Asia2
- Istanbul, Turkey2
- Paris, France2
- Poland, Europe2