| Gavray-sur-Sienne | |
| Commune Status: | Commune |
| Arrondissement: | Coutances |
| Canton: | Quettreville-sur-Sienne |
| Insee: | 50197 |
| Postal Code: | 50450 |
| Intercommunality: | Coutances Mer et Bocage |
| Coordinates: | 48.9106°N -1.3489°W |
| Elevation Min M: | 24 |
| Elevation Max M: | 186 |
| Area Km2: | 38.02 |
| Website: | www.gavray.fr |
Gavray-sur-Sienne (pronounced as /fr/) 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.[1]