Carcans (; , ) is a commune in the Gironde department, administrative region of Nouvelle-Aquitaine (before 2015: Aquitaine), France.
Carcans is one of the 14 members of the Community of Communes of Médoc Atlantique.
Situated about 50 km of Bordeaux, Médoc, Carcans is a seaside resort between the Atlantic Ocean and the Hourtin-Carcans Lake.
It includes 5 settlements : Carcans, the administrative centre (in the town's same name); Pouch (), situated between forest and marsh; Maubuisson (), the tour resort created 1960âÂÂ1970; Bombannes (), a sport area near the lake; Carcans-Plage (), the seaside resort on the border of the ocean.