The Frankfurt/Rhine-Main Metropolitan Region, often simply referred to as Frankfurt Rhine-Main, Frankfurt Rhine-Main area or Rhine-Main area (German: Frankfurt/Rhein-Main, abbreviated FRM) is the second largest metropolitan region in Germany, with a total population exceeding 5.8 million. The metropolitan region is located in the central western part of Germany, and stretches over parts of three federal states: Hesse, Rhineland-Palatinate and Bavaria, as well as the cities of Frankfurt am Main, Wiesbaden, Offenbach, Mainz, Darmstadt and Aschaffenburg.
The polycentric region is named after its core city Frankfurt am Main and the two rivers Rhine and Main. The Frankfurt Rhine-Main area is officially designated as a European Metropolitan region by the German Federal Ministry of Transport, Building and Urban Affairs and covers an area of roughly 13,000 square kilometers (5,000 sq mi).
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