Sémelay () is a commune in the Nièvre department in central France. The town of Sémelay belongs to the canton of Luzy and the arrondissement of Château-Chinon (Ville). Geography The river Alène flows westward through the southern part of commune. The town's area is 33.53 km². It is situated at an altitude of about 294 meters. Demographics On 1 January 2019, the estimated population was 221. See also Communes of the Nièvre department References Communes of Nièvre