Fleury-Mérogis () is a commune in the Essonne department in northern France, in the southern suburbs of Paris. The commune has the Fleury-Mérogis Prison, France's and Europe's largest prison. Population Inhabitants of Fleury-Mérogis are known as Floriacumois. Education The commune has three groups of preschools (écoles maternelles) and elementary schools: Robert-Desnos, Paul-Langevin, and Joliot-Curie. Gallery See also Communes of the Essonne department References External links Official website Mayors of Essonne Association Communes of Essonne