Wikipedia
Évry-Grégy-sur-Yerre
Évry-Grégy-sur-Yerre is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
It was established on 1 January 1973 from the amalgamation of the communes of Évry-les-Châteaux and Grégy-sur-Yerre.