Guilherand-Granges
| Guilherand-Granges | |
|---|---|
| The road into Guilherand-Granges | |
| Location of Guilherand-Granges | |
| Coordinates: 44°56′07″N 4°52′32″E / 44.9353°N 4.8756°E | |
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Ardèche | 
| Arrondissement | Tournon-sur-Rhône | 
| Canton | Guilherand-Granges | 
| Intercommunality | Rhône Crussol | 
| Government | |
| • Mayor (2020–2026) | Sylvie Gaucher | 
| Area 1 | 6.55 km2 (2.53 sq mi) | 
| Population  (2022) | 11,277 | 
| • Density | 1,700/km2 (4,500/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 07102 /07500 | 
| Elevation | 106–407 m (348–1,335 ft) (avg. 123 m or 404 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Guilherand-Granges (French pronunciation: [ɡijʁɑ̃ ɡʁɑ̃ʒ]; Vivaro-Alpine: Guilharand e las Granjas, before 1991: Guilherand) is a commune in the Ardèche department in southern France. It is a suburb of Valence, Drôme. It is one of the most populous commune in the Ardéche department, after Annonay and Aubenas, and before Tournon-sur-Rhône.