La Ciotat is a commune in the Bouches-du-Rhône department in the Provence-Alpes-Côte d'Azur region in Southern France. It is the southeasternmost commune of the Aix-Marseille-Provence Metropolis. La Ciotat is located at about 25 km (15.5 mi) to the east of Marseille, at an equal distance from Toulon.

Bouches-du-Rhône is a department in southern France. It borders Vaucluse to the north, Gard to the west and Var to the east. The Mediterranean Sea lies to the south. Its prefecture and largest city is Marseille; other important cities include Aix-en-Provence, Arles, Martigues and Aubagne.