Caumont-sur-Aure (, literally Caumont on Aure) 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 Caumont-l'ÃÂventé (the seat), Livry and La Vacquerie.
Population data refer to the commune in its geography as of January 2025.
Caumont-sur-Aure is twinned with: