The organisation named Communauté d'Agglomération du Grand Cognac is a group of municipalities in the department of the Charente, in New-Aquitaine. The total population of this intermunicipal organisation is 70821 inhabitants, spread across a surface area of 754.26 km². The population density is 99 inhabitants/km². The altitude varies between 2 metres and 154 metres. The Communauté d'Agglomération du Grand Cognac public intermunicipal cooperation establishment comprises the 55 municipalities listed below.