Massy is a locality located 15.09 km north-northeast from Paris in Ile-de-France, France. The population of Massy is 50,632 people. Antony, Clamart, Issy-les-Moulineaux are located close to Massy. You can find Massy on any map using the following decimal coordinates: 48.7306 (latitude), 2.2764 (longitude).