Communauté d'agglomération du Grand Annecy is the "communauté d'agglomération", an intercommunal structure, centred on the city of Annecy. It is located in the Haute-Savoie department, in the Auvergne-Rhône-Alpes region, southeastern France. It was created in January 2017 by the merger of the former "communauté de l'agglomération d'Annecy" and four communautés de communes. Its population was 203,078 in 2014, of which 128,422 in Annecy proper.