Château-Verdun
| Château-Verdun | |
|---|---|
| Location of Château-Verdun | |
| Coordinates: 42°46′59″N 1°40′50″E / 42.7831°N 1.6806°E | |
| Country | France | 
| Region | Occitania | 
| Department | Ariège | 
| Arrondissement | Foix | 
| Canton | Haute-Ariège | 
| Government | |
| • Mayor (2020–2026) | Thierry Boës | 
| Area 1 | 0.7 km2 (0.3 sq mi) | 
| Population  (2022) | 41 | 
| • Density | 59/km2 (150/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 09096 /09310 | 
| Elevation | 529–766 m (1,736–2,513 ft) (avg. 550 m or 1,800 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Château-Verdun (French: [ʃɑto vɛʁdœ̃]; Languedocien: Castèlverdun) is a commune in the Ariège department in southwestern France.