|Community association||Region of Bar-sur-Aube|
|surface||16.39 km 2|
|Residents||420 (January 1, 2017)|
|Population density||26 inhabitants / km 2|
Longchamp-sur-Aujon is a French commune with 420 inhabitants (as of January 1, 2017) in the Aube department in the Grand Est region . The place belongs to the arrondissement Bar-sur-Aube and the canton Bar-sur-Aube . In addition, the community is part of the 1994 founded association of municipalities Région de Bar-sur-Aube . The inhabitants are called Longchampois (es) .
Longchamp-sur-Aujon is the easternmost municipality in the Aube department. It is located on the Aujon river about 59 kilometers south-southeast of Troyes and 13 kilometers southeast of the small town of Bar-sur-Aube in the east of the Aube department on the border with the Haute-Marne department . The municipality consists of the village of Longchamp-sur-Aujon and the hamlets of La Forge du Haut and Outre-Aube and is largely covered by forest. The river Aube partly forms the western boundary of the municipality. The Aujon flows into it at Le Four à Chaux.
Neighboring municipalities are Bayel in the north, Rennepont (in the Haute-Marne department) in the northeast, Maranville (also in the Haute-Marne department) in the southeast, Juvancourt in the southwest and Ville-sous-la-Ferté in the west.
Until the French Revolution, Longchamp-sur-Aujon was within the province of Champagne . The community belonged to the district of Bar-sur-Aube from 1793 to 1801. It has been part of the Bar-sur-Aube arrondissement since 1801. From 1793 to 1801 the place was the seat of the canton Longchamp-sur-Aujon. The municipality has been within the canton of Bar-sur-Aube since 1801 .
|Sources: Cassini and INSEE|
- Saint-Bernard barn in Outre-Aube, built by Cistercian monks, partly a monument historique since 1914
- Saint-Laurent village church from the 17th century, partly historic monument
- former sawmill / former mill
- Château de La Forge du Haut castle
- Lavoir (wash house) of the parish
- Memorial to the Fallen
- Location of the municipality
- Brief information about the community
- Longchamp-sur-Aujon on the IGN side
- Photos of the village church and the chapel