Mannheim is situated in the delta of Rhein and Neckar. Mannheim has an important train junction and the largest domestic port in Germany. Mannheim is the only town in Germany built up on squares, like the cities in US. DaimlerChrysler is present with an assembly hangar for trucks and busses. The Swiss Roche Diagnostic group former known as Boehringer Mannheim has its division headquarter in Mannheim.
Banker Otto Hermann Kahn was born there.