From the Wikipedia page [1]
The Communauté d'agglomération Val Parisis is the communauté d'agglomération, an intercommunal structure, in the northwestern suburbs of Paris. It is located in the Val-d'Oise department, in the Île-de-France region, northern France. It was created in January 2016. Its population was 270,724 in 2014. Its seat is in Beauchamp.