Grenoble metropolitan area (French: aire d'attraction de Grenoble) as defined by INSEE in 2020 is the functional urban area of the city of Grenoble, southeastern France. It covers 204 communes, all in the Isère department.[1] It has 714,799 inhabitants (2018) in an area of 2,876 km2 (1,110 sq mi), which is 39% of the Isère department.[2] Grenoble and 15 other communes form the pôle urbain or urban cluster, the other 188 communes form the couronne or commuter belt.[3] The most populous communes in the functional area are Grenoble, Échirolles, Fontaine, Meylan, Le Pont-de-Claix, Saint-Égrève, Saint-Martin-d'Hères, Sassenage, Seyssinet-Pariset and Voiron,[4] all except Voiron part of the pôle urbain.[3] It is the 11th-most populous functional urban area in France.