Region
Germany
16
Switzerland
7
Belgium
2
Greece
2
Serbia
2
Yugoslavia
2
Appenzell (Canton)
1
Appenzell (Switzerland : Canton)
1
Austria
1
Baden
1
Baden (Germany)
1
Baden-Baden
1
Basel
1
Basel (Switzerland)
1
Basel-Landschaft (Canton)
1
Basel-Landschaft (Switzerland : Canton)
1
Bremen
1
Bremen (Germany)
1
Cologne
1
Cologne (Germany)
1
Deutschland
1
Fribourg (Switzerland : Canton)
1
Friesland (Germany)
1
Hainaut
1
Liechtenstein
1
Nuremberg
1
Nuremberg (Germany)
1
Oberrheinisches Tiefland
1
Rhine River Valley
1
Rome
1
Rome (Empire)
1
Schleswig-Holstein (Germany)
1