Bouches-du-Rhône (; Occitan: Bocas de Ròse, lit. "Mouths of the Rhône") is a department in the south of France named after the mouth of the Rhône River. It is the most populous department of the Provence-Alpes-Côte d'Azur region. Its INSEE and postal code is 13.

Bouches-du-Rhône (; Occitan: Bocas de Ròse, lit. "Mouths of the Rhône") is a department in the south of France named after the mouth of the Rhône River. It is the most populous department of the Provence-Alpes-Côte d'Azur region. Its INSEE and postal code is 13.