Montélimar Agglomération is the communauté d'agglomération, an intercommunal structure, centred on the city of Montélimar. It is located in the Drôme department, in the Auvergne-Rhône-Alpes region, southeastern France. Created in 2014, its seat is in Montélimar. Its area is 381.2 km2. Its population was 67,520 in 2019, of which 39,818 in Montélimar proper.