| This article needs additional citations for verification .(April 2024) | 
| El Castellar | |
|---|---|
|   | |
| Coordinates: 40°22′N0°49′W / 40.367°N 0.817°W | |
| Country | Spain | 
| Autonomous community | Aragon | 
| Province | Teruel | 
| Comarca | Gúdar-Javalambre | 
| Area | |
|  • Total | 50.33 km2 (19.43 sq mi) | 
| Population  (2018) [1]  | |
|  • Total | 52 | 
| • Density | 1.0/km2 (2.7/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
El Castellar is a municipality located in the province of Teruel, Aragon, Spain. According to the 2004 census (INE), the municipality had a population of 81 inhabitants.