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|Lord Mayor||Peter Kurz (SPD)|
|Area||144.96 km2 (55.97 sq mi)|
|Elevation||97 m (318 ft)|
|Population||294,627 (31 December 2012)|
|- Density||2,032 /km2 (5,264 /sq mi)|
|Time zone||CET/CEST (UTC+1/+2)|
|Postal codes||68001 – 68309|
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.
Mannheim has universities. The city has a history of important transport inventions. The first automobile, tractor and draisine (or velocipede, as the earliest recognisable bicycles were called) were all made or presented for the first time in Mannheim.
During World War II almost all of the old city was destroyed. The houses were built again after the war. Year 2007 was the city's 400th birthday.
Mannheim is now an important city because of its business power and culture. It has very good transport connections, by road, rail and water.
Inventions made in Mannheim
- Bydgoszcz, Poland
- Chişinău, Moldova
- Haifa, Israel
- Klaipėda, Lithuania
- Swansea, Wales 
- Toulon, France
- Ulan Ude, Russia
- Windsor, Canada
- Zhenjiang, China
- Bertha Benz Memorial Route
- "Swansea - Wales :Mannheim.de". Mannheim City website. Mannheim City. 2010. http://www.mannheim.de/stadt-gestalten/swansea-wales. Retrieved 1 March 2011.