Communauté d'agglomération Chauny Tergnier La Fère is the communauté d'agglomération, an intercommunal structure, centred on the towns of Chauny, Tergnier and La Fère. It is located in the Aisne department, in the Hauts-de-France region, northern France. Created in 2017, its seat is in Chauny. Its area is 382.8 km2. Its population was 55,189 in 2019.