The organisation named Communauté de Communes Aunis Atlantique is a group of municipalities in the department of the Charente-Maritime, in New-Aquitaine. The total population of this intermunicipal organisation is 31614 inhabitants, spread across a surface area of 440.48 km². The population density is 88 inhabitants/km². The maximum altitude is 56 metres. The Communauté de Communes Aunis Atlantique public intermunicipal cooperation establishment comprises the 20 municipalities listed below.