Jemeppe-sur-Sambre is a commune with 18,000 residents located 8 kilometers west of
Namur. The commune extends both north and south from the
Sambre River, and the E42 roadway skirts the northern edge.
Balatre, Ham-Sur-Sambre, Mornimont, Moustier-sur-Sambre, Onoz, Saint-Martin, and Spy are boroughs within the municipal district of Jemeppe-sur-Sambre.