Heidelberg is a city in
Baden-Württemberg,
Germany.
As of 2005, 140,000 people live within the city's 109 km² ( 42 miles²) area. The town of Heidelberg is an administrative district of its own. Although not being part of it, the Rhein Neckar Kreis, the rural district, which surrounds the town, has its seat in Heidelberg. The name Heidelberg is an adaptation of Heidelbeerenberg (the German for
Blueberry Mountain).
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