The organisation named Communauté de Communes Bastides de Lomagne is a group of municipalities in the department of the Gers, in Occitanie. The total population of this intermunicipal organisation is 11522 inhabitants, spread across a surface area of 423.99 km². The population density is 26 inhabitants/km². The altitude varies between 85 metres and 267 metres. The Communauté de Communes Bastides de Lomagne public intermunicipal cooperation establishment comprises the 41 municipalities listed below.