The Métropole du Grand Paris (French: [metʁopɔl dy ɡʁɑ̃ paʁi], meaning roughly "Metropolis of Greater Paris") is an administrative structure for cooperation covering the City of Paris and its nearest surrounding suburbs. The métropole came into existence on January 1, 2016 and comprises 131 communes, including the City of Paris, all 123 communes in the surrounding inner-suburban departments of the Petite Couronne (Hauts-de-Seine, Seine-Saint-Denis and Val-de-Marne), plus seven communes in two of the outer-suburban departments, including the communes of Argenteuil in Val-d'Oise, and Paray-Vieille-Poste in Essonne, the latter of which covers part of Orly airport.