Hallsberg Municipality is a municipality in Örebro County in central Sweden. Its seat is located in the town of Hallsberg.
The present municipality was created in 1971 when the market town of Hallsberg was amalgamated with adjacent municipalities. A series of amalgamations had taken place in the area in 1952, 1963 and 1967.
Wikipedia https://en.wikipedia.org/wiki/Hallsberg_Municipality
Coordinates 59°0'13.731" N 15°14'43.059" E