East Germany

Mid Germany

• Hannover (1)
• Herford (1)
• Kassel (1)

Northeast Germany

• Berlin center (3)
• Berlin north (2)
• Rostock/Stralsund (1)

Northern Germany

• Bremen (1)
• Flensburg / Schleswig (1)
• Hamburg (3)

Rhein-Main Area

• Arnsberg/Hamm (1)
• Cologne (6)
• Cologne/Leverkusen (1)
• Siegen (5)

Ruhr Area

• Dortmund (2)
• Düsseldorf (4)

Saarland

• Frankfurt on Main (2)
• Heidelberg (1)
• Wiesbaden (2)

South East Germany

South Germany

• Augsburg (2)
• Ingolstadt (1)
• Munich north (5)
• Munich south (7)

South West Germany

• Karlsruhe (1)
• Ludwigsburg/Leonberg (1)
• Stuttgart (2)