Châlons-en-Champagne ( or [ʃɑ.lɔ̃.ɑ̃.ʃɑ̃.paɲ]) is a city in France. It is the capital of both the department of Marne and the region of Champagne-Ardenne, despite being only a quarter the size of the city of Reims.

Châlons-en-Champagne ( or [ʃɑ.lɔ̃.ɑ̃.ʃɑ̃.paɲ]) is a city in France. It is the capital of both the department of Marne and the region of Champagne-Ardenne, despite being only a quarter the size of the city of Reims.