Communauté d'agglomération de Châlons-en-Champagne

Châlons Agglo, formally the communauté d'agglomération de Châlons-en-Champagne, is a communauté d'agglomération around Châlons-en-Champagne in the French department of Marne in the region of Grand Est. It was formed in January 2000 from the previous district de Châlons-en-Champagne, which consisted of nine communes. In 2014, it was expanded to 38 communes, when it was merged with the three communautés de communes of l'Europort, Jâlons, and la Région de Condé-sur-Marne, except that Pocancy in Jâlons joined the communauté de communes de la Région de Vertus (the three communautés de communes were respectively named after Vatry Europort, Jâlons, and Condé-sur-Marne). In January 2017, the eight communes of the former communauté de communes de la Région de Mourmelon joined the communauté d'agglomération de Châlons-en-Champagne. Its area is 810.4 km2. Its population was 79,518 in 2018, of which 44,246 in Châlons-en-Champagne proper.