| Olvena | |
|---|---|
|   | |
| Country | Spain | 
| Autonomous community | Aragon | 
| Province | Huesca | 
| Municipality | Olvena | 
| Area | |
|  • Total | 15 km2 (6 sq mi) | 
| Population  (2018) [1]  | |
|  • Total | 50 | 
| • Density | 3.3/km2 (8.6/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
Olvena is a municipality located in the province of Huesca, Aragon, Spain. According to the 2018 census (INE), the municipality has a population of 50 inhabitants.