Grébault-Mesnil
| Grébault-Mesnil | |
|---|---|
| The church in Grébault-Mesnil | |
| Location of Grébault-Mesnil | |
| Coordinates: 50°01′34″N 1°43′17″E / 50.0261°N 1.7214°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Somme | 
| Arrondissement | Abbeville | 
| Canton | Abbeville-2 | 
| Intercommunality | CC Vimeu | 
| Government | |
| • Mayor (2020–2026) | Julien Lefebvre | 
| Area 1 | 2.58 km2 (1.00 sq mi) | 
| Population  (2022) | 205 | 
| • Density | 79/km2 (210/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 80388 /80140 | 
| Elevation | 93–113 m (305–371 ft) (avg. 94 m or 308 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Grébault-Mesnil (French pronunciation: [ɡʁebo menil]; Picard: Guérbeu-Mégni) is a commune in the Somme department in Hauts-de-France in northern France.