Wuppertal (German pronunciation: [ˈvʊpɐtaːl]) is a city in North Rhine-Westphalia, Germany. It is located on the Wupper river south of the Ruhr area. Population 361,333 (2005).
Two thirds of the total municipal area is green belt: woods, meadows, gardens and fields. From any part of the city it is only a ten-minute walk to one of the public parks or shady woodland path. At the same time it is a major industrial centre including such industries as: textiles, metallurgy, chemicals, medicine (Bayer), electric, rubber, vehicles and printing equipment. One of the most famous pain-killers, Aspirin, was invented in Wuppertal by Bayer.
The Wuppertal Institute for Climate, Environment and Energy is located in this city.