The Communauté d'agglomération de la Porte du Hainaut is an intercommunal structure in the Nord department, in the Hauts-de-France region, northern France. It was created in January 2014. The commune Émerchicourt left the communauté de communes Cœur d'Ostrevent and joined the communauté d'agglomération in January 2019. Its seat is in Wallers. Its largest towns are Denain and Saint-Amand-les-Eaux. Its area is 371.4 km2. Its population was 158,568 in 2021. Source: Wikipedia (en)