Châteaudun
| Châteaudun | |
|---|---|
| Subprefecture and commune | |
| Chateau | |
| Location of Châteaudun | |
| Coordinates: 48°04′18″N 1°20′19″E / 48.0717°N 1.3387°E | |
| Country | France | 
| Region | Centre-Val de Loire | 
| Department | Eure-et-Loir | 
| Arrondissement | Châteaudun | 
| Canton | Châteaudun | 
| Government | |
| • Mayor (2020–2026) | Fabien Verdier | 
| Area 1 | 28.48 km2 (11.00 sq mi) | 
| Population  (2022) | 12,898 | 
| • Density | 450/km2 (1,200/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 28088 /28200 | 
| Elevation | 102–152 m (335–499 ft) (avg. 140 m or 460 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Châteaudun (French pronunciation: [ʃɑtodœ̃]) is a commune in the Eure-et-Loir department in northern France. It is a sub-prefecture of the department. It was the site of the Battle of Châteaudun during the Franco-Prussian War.