East Germany

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Mid Germany

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• Hannover (1)
• Hannover western surrounding (2)
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Northeast Germany

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Northern Germany

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• Flensburg / Schleswig (1)
• Hamburg (3)
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Rhein-Main Area

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Ruhr Area

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• Düsseldorf (4)

Saarland

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South East Germany

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South Germany

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South West Germany

• Heilbronn (1)