Saint-Cyr-sur-Mer is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in Southeastern France. It is located on the Mediterranean coast, on the departmental border with Bouches-du-Rhône. Saint-Cyr-sur-Mer neighbours the communes of La Ciotat to the west, Bandol to the east and La Cadière-d'Azur to the north.