The organisation named Communauté de Communes Cœur d'Yvelines is a group of municipalities in the department of the Yvelines, in Ile-de-France. The total population of this intermunicipal organisation is 51812 inhabitants, spread across a surface area of 228.20 km². The population density is 264 inhabitants/km². The altitude varies between 39 metres and 188 metres. The Communauté de Communes Cœur d'Yvelines public intermunicipal cooperation establishment comprises the 31 municipalities listed below.