Region
Germany
28
France
18
United States
7
Great Britain
5
Austria
2
Bavaria
2
Bavaria (Germany)
2
Belgium
2
Bulgaria
2
Denmark
2
Hungary
2
Poland
2
Romania
2
Saar River Valley (France and Germany)
2
Soviet Union
2
Yugoslavia
2
Canada
1
China
1
Croatia
1
Cuba
1
Egypt
1
États-Unis
1
Mainz
1
Mainz (Rhineland-Palatinate)
1
Montenegro
1
Palatinate
1
Palestine
1
Pomerania (Poland and Germany)
1
Rijeka
1
Rijeka (Croatia)
1
Ruhr (Germany : Region)
1
Ruhr River Valley (Germany)
1
Serbia
1
Switzerland
1
Westphalia
1
Westphalia (Germany)
1