Mannheim (German pronunciation: [ˈmanhaɪm] ( listen); Template:Lang-pfl or Monnem) is a city in the southwest of Germany. It is in the northwest of the German state of Baden-Württemberg.
The city was built in the Rhine River valley where the Rhine and the Neckar Rivers meet. The city of Ludwigshafen is on the opposite bank of the Rhine. Mannheim and Ludwigshafen together with Heidelberg and other cities make a big area called "Rhine-Neckar-Area" or "Rhein-Neckar Triangle". Nearly 2.4 million people live in this area.