Communauté d'agglomération de Saintes is the communauté d'agglomération, an intercommunal structure, centred on the town of Rochefort. It is located in the Charente-Maritime department, in the Nouvelle-Aquitaine region, southwestern France. Created in 2014, its seat is in Rochefort. Its area is 421.4 km2. Its population was 63,480 in 2019, of which 23,584 in Rochefort proper.