The
Métropole du Grand Paris (, "Metropolis of Greater
Paris") is an
Établissement public de coopération intercommunale, or public establishment for inter-communal cooperation, an administrative structure for cooperation between the City of Paris and its nearest suburbs. The region came into existence on January 1, 2016 and includes the City of Paris, the communes, towns of the three departments of the inner suburbs;
Hauts-de-Seine,
Seine-Saint-Denis and
Val-de-Marne; plus seven communes in the outer suburbs, including
Argenteuil in
Val d'Oise and
Paray-Vieille-Poste in
Essonne, which were added to include major airports. Grand Paris will cover 814 square kilometers and will have a population of 6.945 million persons.