Broussy-le-Petit is a commune located in the Marne department in the Grand Est region of northeastern France. Administratively, it is situated within the arrondissement of Épernay and belongs to the canton of Vertus-Plaine Champenoise.
The commune is positioned in the historic province of Champagne. Geographically, it is notable for its proximity to the Saint-Gond marshes (Marais de Saint-Gond), a wetland area that plays a significant role in the local ecology and hydrology. The landscape of the commune is primarily rural, consisting largely of agricultural land and open fields characteristic of the Chalky Champagne (Champagne crayeuse) sub-region.
Historically, the area around Broussy-le-Petit was a site of strategic importance during the First World War. In September 1914, the commune and the adjacent marshes were part of the theater for the First Battle of the Marne. The difficult terrain of the marshes served as a natural barrier during the conflict between French and German forces.
As a small administrative division, Broussy-le-Petit is governed by a mayor and a municipal council. The population is relatively small, following the demographic trends of rural communes in the Marne department. The local economy is traditionally centered on agriculture, particularly the cultivation of cereals and other crops suited to the regional soil.
