Der Grand Jard

Châlons Cathedral (French: Cathédrale Saint-Étienne de Châlons) is a Roman Catholic church in Châlons-en-Champagne, France, formerly known as Châlons-sur-Marne.The cathedral is the seat of the Bishop of Châlons and was consecrated in 1147 October 26, by Pope Eugene III.Jean-Jacques Arveuf-Fransquin designed the neo-Flamboyant organ case of Châlons Cathedral.

The Roman Catholic Diocese of Châlons (Latin: Dioecesis Catalaunensis; French: Diocèse de Châlons) is a diocese of the Latin Rite of the Roman Catholic Church in Châlons-sur-Marne, France. The diocese comprises the department of Marne, excluding the arrondissement of Reims.It is a suffragan of the Archdiocese of Reims.