Also consider

• Cologne 95 properties
• Düsseldorf 32 properties
• Medebach 19 properties
• Kustelberg 19 properties
• Wuppertal 14 properties
• Hellenthal 12 properties
• Overath 10 properties
• Schieder-Schwalenberg 10 properties
• Bellersen 9 properties
• Duisburg 9 properties
• Medelon 9 properties
• Mönchengladbach 8 properties
• Dortmund 8 properties
• Neuss 8 properties
• Blankenheim 7 properties
• Mohnesee 7 properties
• Bleiwasche 7 properties
• Eslohe 7 properties
• Andreasberg 7 properties
• Gelsenkirchen 6 properties
• Muelheim an der Ruhr 6 properties
• Schleiden 6 properties
• Liesen 6 properties
• Altenfeld 6 properties
• Sellinghausen 6 properties
• Moers 5 properties
• Solingen 5 properties
• Hildfeld 5 properties
• Krefeld 5 properties
• Cobbenrode 5 properties
• Aachen 5 properties
• Eitorf 5 properties