Arles is a city and commune in the south of France, in the Bouches-du-Rhône department, of which it is a subprefecture, in the former province of Provence. A large part of the Camargue is located on the territory of the commune, making it the largest commune in Metropolitan France in terms of territory. The city has a long history, and was of considerable importance in the Roman province of Gallia Narbonensis. The Roman and Romanesque Monuments of Arles were listed as UNESCO World Heritage Site