Frontonas
| Frontonas | |
|---|---|
| War memorial and fire station | |
| Location of Frontonas | |
| Coordinates: 45°38′59″N 5°11′05″E / 45.6497°N 5.1847°E | |
| Country | France | 
| Region | Auvergne-Rhône-Alpes | 
| Department | Isère | 
| Arrondissement | La Tour-du-Pin | 
| Canton | La Verpillière | 
| Government | |
| • Mayor (2020–2026) | Annick Merle | 
| Area 1 | 12.65 km2 (4.88 sq mi) | 
| Population  (2022) | 2,116 | 
| • Density | 170/km2 (430/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| INSEE/Postal code | 38176 /38290 | 
| Elevation | 207–401 m (679–1,316 ft) (avg. 230 m or 750 ft) | 
| 1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries. | |
Frontonas is a commune in the Isère department in southeastern France.