Arpajon-sur-Cère is located immediately to the south of Aurillac some 70 km south-east of Brive-la-Gaillarde.

The D58 comes from Giou-de-Mamou in the north-east then goes south-west from the town to the Château de Conros and joins the D617 at the south-western border of the commune.

A railway passes through the north of the commune but the nearest station is in Aurillac.

Apart from the town there are the villages and hamlets of: Outside the residential areas there are extensive forests in the south and south-west with the rest of the commune farmland.

List of Successive Mayors[5] Arpajon-sur-Cère has twinning associations with:[6] The inhabitants of the commune are known as Arpajonnais or Arpajonnaises in French.