Le Havre Seine Métropole is the communauté urbaine, an intercommunal structure, centred on the city of Le Havre. It is located in the Seine-Maritime department, in the Normandy region, northwestern France. It was created on 1 January 2019 by the merger of the former Agglomeration community of Le Havre and the communautés de communes Canton de Criquetot-l'Esneval and Caux Estuaire. Its population was 273,568 in 2016, of which 172,769 in Le Havre proper.