Jumet is a section of the Belgian town of Charleroi within the Walloon region in the Province of Hainaut. It was a commune of its own before the merger of the communes in 1977. Jumet - Chapelle Notre-Dame de Heigne. jpg Notre-Dame de Heigne chapel (12th century). Jumet - Chapelle Notre-Dame des Affligés. jpg Notre-Dame des Affligés chapel (1677 ; 1707). Jumet - Hôtel de Ville. jpg Former town hall.