East Germany

• Dresden (1)

Mid Germany

Northeast Germany

Northern Germany

• Heide / Husum (1)

Rhein-Main Area

• Hagen (1)
• Trier (2)

Ruhr Area

• Dortmund (1)
• Düsseldorf (3)
• Wuppertal (1)

Saarland

• Wiesbaden (1)

South East Germany

South Germany

• Ingolstadt (1)
• Munich north (3)

South West Germany

• Freiburg (2)
• Karlsruhe (2)
• Konstanz (1)
• Ludwigsburg/Leonberg (1)