Avant-lès-Marcilly
| Avant-lès-Marcilly | |
|---|---|
| The Socio-cultural Hall | |
| Location of Avant-lès-Marcilly | |
| Coordinates: 48°25′25″N 3°34′15″E / 48.4236°N 3.5708°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Aube | 
| Arrondissement | Nogent-sur-Seine | 
| Canton | Saint-Lyé | 
| Intercommunality | CC Orvin Ardusson | 
| Government | |
| • Mayor (2020–2026) | Michel Dalle | 
| Area 1 | 27.62 km2 (10.66 sq mi) | 
| Population  (2022) | 513 | 
| • Density | 19/km2 (48/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 10020 /10400 | 
| Elevation | 110 m (360 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Avant-lès-Marcilly (French pronunciation: [avɑ̃ le maʁsiji], literally Avant near Marcilly) is a commune in the Aube department in the Grand Est region of north-central France.