The organisation named Communauté de Communes du Pays de Pontchâteau Saint-Gildas-des-Bois is a group of municipalities in the department of the Loire-Atlantique, in Pays de la Loire. The total population of this intermunicipal organisation is 36562 inhabitants, spread across a surface area of 326.80 km². The population density is 117 inhabitants/km². The maximum altitude is 74 metres. The Communauté de Communes du Pays de Pontchâteau Saint-Gildas-des-Bois public intermunicipal cooperation establishment comprises the 9 municipalities listed below.