The canton of Châlons-en-Champagne-1 is an administrative division of the Marne department, in northeastern France. Its borders were modified during the French canton reorganisation which came into effect in March 2015. Its seat is in Châlons-en-Champagne.[1]
It consists of the following communes:[1]
- Châlons-en-Champagne (partly)
- Compertrix
- Coolus
- Fagnières