Region
Germany
4
Ruhr Region
Ruhr (Germany : Region)
3
Ruhr (Region)
3
Allemagne
1
Eupen (Belgium)
1
Europe
1
France
1
Germany (West)
1
Malmédy (Belgium)
1
Rhine River Valley
1
Ruhr (Allemagne : Région)
1
Ruhr (Allemagne)
1
Ruhr River Valley (Germany)
1
Ruhr River and Valley
1
Saar River Valley
1
Saar River Valley (France and Germany)
1
Saar Valley (Germany)
1
Saarland (Germany)
1