The organisation named Communauté de Communes du Sisteronais-Buëch is a group of municipalities located in the departments of the Alpes-de-Haute-Provence, of the Drôme, of the Hautes-Alpes. The total population of this intermunicipal organisation is 25912 inhabitants, spread across a surface area of 1488.27 km². The population density is 15 inhabitants/km². The altitude varies between 448 metres and 2114 metres. The Communauté de Communes du Sisteronais-Buëch public intermunicipal cooperation establishment comprises the 60 municipalities listed below.