Issy-les-Moulineaux (French pronunciation: [i.si le mu.li.no]) is a commune in the southwestern suburban area of Paris, France. It is located 6.6 km (4.1 mi) from the centre of Paris. On 1 January 2003, Issy-les-Moulineaux became part of the Communauté d'agglomération Arc de Seine along with the other communes of Chaville, Meudon, Vanves and Ville-d'Avray. It is one of the most densely populated municipalities in Europe.