Avesta Municipality is one of 290 municipalities of Sweden. It is in Dalarna County, in the central part of the country, and its seat is in the town of Avesta.
The municipality in its present size was created in 1967 when the four surrounding municipalities were joined with the then City of Avesta. In 1971 it became a municipality of unitary type.
Wikipedia https://en.wikipedia.org/wiki/Avesta_Municipality
Coordinates 60°12'49.024" N 16°21'54.518" E
