Fay-lès-Marcilly
| Fay-lès-Marcilly | |
|---|---|
| Location of Fay-lès-Marcilly | |
| Coordinates: 48°24′13″N 3°36′12″E / 48.4036°N 3.6033°E | |
| Country | France | 
| Region | Grand Est | 
| Department | Aube | 
| Arrondissement | Nogent-sur-Seine | 
| Canton | Saint-Lyé | 
| Intercommunality | Orvin et Ardusson | 
| Government | |
| • Mayor (2020–2026) | Jérémy Flogny | 
| Area 1 | 5.76 km2 (2.22 sq mi) | 
| Population  (2022) | 84 | 
| • Density | 15/km2 (38/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 10146 /10290 | 
| Elevation | 162 m (531 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Fay-lès-Marcilly (French pronunciation: [fɛ lɛ maʁsiji]) is a commune in the Aube department in north-central France.