The territory of Baden borders the Gulf of Morbihan and is limited to the west by the river Auray (37 km of coastline, including islands).
Baden is a town of 2 352.69 hectares wide, it includes the islands Reno, Grand Vezy, Petit Vezy and the Seven Islands.
The town is located midway between two urban center: Vannes (14 km) and Auray (11 km).
This situation makes it a tourist and residential town at a time.