Arnsberg (German pronunciation: [ˈarnsbɛrk]) is a town in the Hochsauerland district, in North Rhine-Westphalia, Germany. It is the location of the Regierungsbezirk Arnsberg's administration and one of the three local administration offices of the Hochsauerlandkreis.
Arnsberg is located in the north-east of the Sauerland in the Ruhr river valley. The river Ruhr makes a sinuosity in the south of the old town of Arnsberg. The town is nearly completely encircled by forest, and in the north is the natural park "Arnsberger Wald".
Arnsberg is connected by Federal Motorway 46 to Brilon in the east and (using the Federal Motorway 445) Werl in the west.
The municipal territory spans a distance of up to 13 kilometres (8.1 mi) from the southern to the northern limits.
After the local government reforms of 1975 Arnsberg consists of 15 boroughs (Ortsteile):
Arnsberg may refer to: