East Germany

Mid Germany

• Bielefeld (1)
• Magdeburg (1)

Northeast Germany

• Berlin center (1)
• Berlin south (1)

Northern Germany

• Hamburg (4)
• Hamburger northern surrounding (1)

Rhein-Main Area

• Aachen (2)
• Cologne (1)
• Cologne/Leverkusen (1)
• Siegen (2)

Ruhr Area

• Dortmund (2)
• Duisburg (7)
• Münster (3)

Saarland

• Bad Homburg/Friedberg (1)
• Kaiserslautern (1)
• Mannheim (1)
• Wiesbaden (1)

South East Germany

• Nuremberg (1)

South Germany

• Friedrichshafen (1)
• Ingolstadt (1)
• Munich north (1)
• Munich south (1)

South West Germany

• Freiburg (1)
• Göppingen (1)
• Heilbronn (1)
• Karlsruhe (1)
• Konstanz (1)
• Pforzheim (1)
• Stuttgart (2)
• Tübingen (2)