Nassogne is a municipality of Wallonia located in the province of Luxembourg, Belgium. On 1 January 2007 the municipality, which covers 111.96 km2, had 5,045 inhabitants, giving a population density of 45.1 inhabitants per km2. The municipality consists of the following districts: Ambly, Bande, Forrières, Grune, Harsin, Lesterny, Masbourg, and Nassogne.