Bas-Lieu
| Bas-Lieu | |
|---|---|
| The town hall in Bas-Lieu | |
| Location of Bas-Lieu | |
| Coordinates: 50°08′05″N 3°56′30″E / 50.1347°N 3.9417°E | |
| Country | France | 
| Region | Hauts-de-France | 
| Department | Nord | 
| Arrondissement | Avesnes-sur-Helpe | 
| Canton | Fourmies | 
| Intercommunality | Cœur de l'Avesnois | 
| Government | |
| • Mayor (2020–2026) | Ghislain Francois | 
| Area 1 | 7.62 km2 (2.94 sq mi) | 
| Population  (2022) | 344 | 
| • Density | 45/km2 (120/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 59050 /59440 | 
| Elevation | 146–211 m (479–692 ft) (avg. 180 m or 590 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Bas-Lieu (French pronunciation: [ba ljø]) is a commune in the Nord department in northern France.