Mars-sur-Allier
| Mars-sur-Allier | |
|---|---|
| The church in Mars-sur-Allier | |
| Location of Mars-sur-Allier | |
| Coordinates: 46°51′25″N 3°05′20″E / 46.8569°N 3.0889°E | |
| Country | France | 
| Region | Bourgogne-Franche-Comté | 
| Department | Nièvre | 
| Arrondissement | Nevers | 
| Canton | Saint-Pierre-le-Moûtier | 
| Intercommunality | Loire et Allier | 
| Government | |
| • Mayor (2020–2026) | Jean Deleume | 
| Area 1 | 20.93 km2 (8.08 sq mi) | 
| Population  (2022) | 300 | 
| • Density | 14/km2 (37/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 58158 /58240 | 
| Elevation | 173–196 m (568–643 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Mars-sur-Allier (French pronunciation: [maʁs syʁ alje]) is a commune in the Nièvre department in central France.