East Germany

Mid Germany

• Hannover (1)
• Hannover western surrounding (1)
• Hildesheim (1)

Northeast Germany

Northern Germany

• Hamburg (1)
• Oldenburg / Emden (1)

Rhein-Main Area

Ruhr Area

• Dortmund (1)
• Duisburg (1)
• Essen (3)

Saarland

• Heidelberg (2)

South East Germany

South Germany

• Garmisch-Partenkirchen (1)
• Landshut (1)
• Munich north (1)

South West Germany

• Freiburg (1)