The organisation named Communauté de Communes du Vexin-Val de Seine is a group of municipalities in the department of the Val-d'Oise, in Ile-de-France. The total population of this intermunicipal organisation is 16953 inhabitants, spread across a surface area of 198.91 km². The population density is 83 inhabitants/km². The altitude varies between 9 metres and 206 metres. The Communauté de Communes du Vexin-Val de Seine public intermunicipal cooperation establishment comprises the 26 municipalities listed below.