Aunay on odon.

Aunay-sur-Odon is a former commune in the Calvados department in the Normandy region of north-western France. On 1 January 2017, it was merged into the new commune Les Monts d'Aunay.The inhabitants of the commune are known as Aunais or Aunaises.The commune has been awarded two flowers by the National Council of Towns and Villages in Bloom in the Competition of cities and villages in Bloom.

The canton of Aunay-sur-Odon is an administrative division of the Calvados department, northwestern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Les Monts d'Aunay.

Les Monts d'Aunay is a commune in the department of Calvados, northwestern France. The municipality was established on 1 January 2017 by merger of the former communes of Aunay-sur-Odon (the seat), Bauquay, Campandré-Valcongrain, Danvou-la-Ferrière, Ondefontaine, Le Plessis-Grimoult and Roucamps.