Sillans
| Sillans | |
|---|---|
| Sillans in 1910 | |
| Location of Sillans | |
| Coordinates: 45°20′30″N 5°23′23″E / 45.3417°N 5.3897°E | |
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Isère | 
| Arrondissement | Vienne | 
| Canton | Bièvre | 
| Government | |
| • Mayor (2024–2026) | Véronique Martin | 
| Area 1 | 12.61 km2 (4.87 sq mi) | 
| Population  (2022) | 1,923 | 
| • Density | 150/km2 (390/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 38490 /38590 | 
| Elevation | 393–567 m (1,289–1,860 ft) (avg. 403 m or 1,322 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Sillans (French pronunciation: [silɑ̃]) is a commune in the Isère department in southeastern France.