Oléron
| Aerial photograph of Oléron | |
| Geography | |
|---|---|
| Location | Atlantic Ocean | 
| Coordinates | 45°55′30″N 1°16′57″W / 45.92500°N 1.28250°W | 
| Area | 174 km2 (67 sq mi) | 
| Length | 30 km (19 mi) | 
| Width | 8 km (5 mi) | 
| Highest elevation | 34 m (112 ft) | 
| Administration | |
| France | |
| Region | Nouvelle-Aquitaine | 
| Department | Charente-Maritime | 
| Arrondissement | Rochefort | 
| Largest settlement | Saint-Pierre-d'Oléron (pop. 6,687) | 
| Demographics | |
| Demonym | Oléronais(e) | 
| Population | 21,871 (2010) | 
| Pop. density | 126/km2 (326/sq mi) | 
| Ethnic groups | French people | 
The Isle of Oléron or Oléron Island (French: île d'Oléron, [il dɔleʁɔ̃]; Saintongese: ilâte d'Olerun; Latin: Uliaros insula, [uliˈaːros ˈinsula]) is an island off the Atlantic coast of France (due west of Rochefort), on the southern side of the Pertuis d'Antioche strait.
It is the second largest island of Metropolitan France, after Corsica, with a length of 30 km (19 mi) and a width of 8 km (5 mi). It has an area of 174 km2 (67 sq. mi.) and more than 21,000 permanent inhabitants.