Iserlohn (German pronunciation: [iːzɐˈloːn]) is a city in the Märkischer Kreis district, in North Rhine-Westphalia, Germany. It is the largest city by population and area within the district and the Sauerland region.
Iserlohn is located at the north end of the Sauerland near the Ruhr river.
The Pancratius church (also called Bauernkirche) was founded in around 985, but the first written document mentioning lon dates only from 1150. In 1237 the Count of the Mark gave Iserlohn municipal rights. In 1975 the city, which had been an urban district before, incorporated the surrounding ex-municipalities of Letmathe, Hennen, Sümmern and Kesbern, and became part of the district „Märkischer Kreis“. As a larger mid-sized city, Iserlohn, however, still has a special status as compared to most other municipalities in the district. This means that the city takes on tasks more usually performed by the district (e.g. social and youth affairs) so that in some ways it is comparable to an urban district…