Heidelberg

Heidelberg is a city in south-west Germany. The fifth-largest city in the State of Baden-Württemberg after Stuttgart, Mannheim, Karlsruhe and Freiburg im Breisgau, Heidelberg is part of the densely populated Rhine-Neckar Metropolitan Region. In 2009, over 145,000 people lived in the city. Heidelberg lies on the River Neckar in a steep valley in the Odenwald.