The commune of Reckange-sur-Mess, population 1,704, is located 6 kilometers southwest of Luxembourg City, on the Mess River.
Ehlange, Limpach, Pissange, Reckange-sur-Mess (population 550), Roedgen, and Wickrange are boroughs within the commune of Reckange-Mess.
The A4 roadway skirts the southeastern edge of Reckange-sur-Mess. The N13 passes through the center of Reckange-sur-Mess proper.