The organisation named Communauté d'Agglomération des Deux Baies en Montreuillois is a group of municipalities in the department of the Pas-de-Calais, in Hauts-de-France. The total population of this intermunicipal organisation is 67434 inhabitants, spread across a surface area of 409.12 km². The population density is 141 inhabitants/km². The maximum altitude is 178 metres. The Communauté d'Agglomération des Deux Baies en Montreuillois public intermunicipal cooperation establishment comprises the 46 municipalities listed below.