Bastogne (, Dutch: Bastenaken, German: Bastenach,  Luxembourgish: Baaschtnech) is a Walloon municipality of Belgium located in the province of Luxembourg in the Ardennes. The municipality of Bastogne includes the old communes of Longvilly, Noville, Villers-la-Bonne-Eau, and Wardin. The town is situated on a ridge in the Ardennes at an elevation of .