Communauté d'agglomération Saint Germain Boucles de Seine

The Communauté d'agglomération Saint Germain Boucles de Seine is the "communauté d'agglomération", an intercommunal structure, in the western suburbs of Paris. It is located in the Yvelines and Val-d'Oise departments, in the Île-de-France region, northern France. It was created in January 2016. Its population was 330,097 in 2016. Its seat is in Le Pecq.