Communauté d'agglomération Cœur d'Essonne is an agglomeration community, an intercommunal structure, centred on the city of Sainte-Geneviève-des-Bois, a southern suburb of Paris. It is located in the Essonne department, in the Île-de-France region, northern France. It was created in January 2016. Its area is 132.7 km2. Its population was 201,873 in 2018.