East Germany

• Gera (1)
• Zwickau (1)

Mid Germany

Northeast Germany

• Berlin center (2)
• Berlin south (2)

Northern Germany

• Bremen (1)
• Hamburg (2)

Rhein-Main Area

• Cologne (3)

Ruhr Area

• Düsseldorf (2)
• Essen (1)

Saarland

• Frankfurt on Main (3)
• Wiesbaden (2)

South East Germany

South Germany

• Munich north (2)
• Munich south (2)

South West Germany

• Karlsruhe (1)