1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.
Saint-Martin-sur-Oust (French pronunciation:[sɛ̃maʁtɛ̃syʁust], literally Saint-Martin on Oust; Breton: Sant-Varzhin-an-Oud) is a commune in the Morbihandepartment of Brittany in north-western France. Until 6 October 2008 it was known as Saint-Martin.[3] Inhabitants of Saint-Martin-sur-Oust are called in FrenchMartinais.