Region
Balkan Peninsula
Europe
Europe, Central
8
Germany
8
Yugoslavia
5
Czechoslovakia
4
Danube River
4
Romania
4
Austria
3
Danube River Region
3
Europe, Eastern
3
Hungary
3
Italy
3
Macedonia
3
Middle East
3
Albania
2
Balkans
2
Central Europe
2
Croatia
2
Poland
2
Serbia
2
Bulgaria
1
Danube River Valley
1
Eastern Europe
1
Foreign countries
1
France
1
Greece
1
Macédoine
1
Mediterranean Sea
1
Rhineland (Germany)
1