East Germany

Mid Germany

Northeast Germany

Northern Germany

• Heide / Husum (1)

Rhein-Main Area

• Arnsberg/Hamm (1)
• Hagen (7)
• Siegen (2)

Ruhr Area

• Dortmund (1)
• Mönchengladbach (1)
• Wuppertal (1)

Saarland

• Bad Homburg/Friedberg (1)
• Saarbrücken (1)

South East Germany

• Ansbach (1)

South Germany

South West Germany

• Freiburg (2)