Gavray-sur-Sienne () is a commune in the Manche department in north-western France. It was established on 1 January 2019 by merger of the former communes of Gavray (the seat), Le Mesnil-Amand, Le Mesnil-Rogues and Sourdeval-les-Bois.Arrêté préfectoral 12 December 2018
Population Population data refer to the area corresponding with the commune as of January 2025.
See also Communes of the Manche department
References