Région de Bar-sur-Aube
| Grand Est|
Sunday 7:35 PM
| 12°C, Wind NW at 6 km/h, 68% Humidity|
Longchamp-sur-Aujon is a commune in the Aube department in north-central France.
The Aujon forms part of the commune's eastern border, crosses the village, flows west through the middle of the commune, then flows into the Aube, which forms the commune's western border.