Les Monts d'Aunay is a commune. It is found in the region Normandy in the Calvados department in the northwest of France. The municipality was created on 1 January 2017 and consists of the former communes of Aunay-sur-Odon (the seat), Bauquay, Campandré-Valcongrain, Danvou-la-Ferrière, Ondefontaine, Le Plessis-Grimoult and Roucamps.