Olpe is a town situated in the foothills of the Ebbegebirge in North Rhine-Westphalia, roughly 60 km east of Cologne and 20 km northwest of Siegen. It is part of the Regierungsbezirk of Arnsberg and is the seat of the district of Olpe.
Wikipedia https://en.wikipedia.org/wiki/Olpe,_Germany
Official Website https://www.olpe.de/
Coordinates 51°1'46.019" N 7°50'38.077" E
