| Castillazuelo | |
|---|---|
|   Town hall of Castillazuelo | |
|   | |
| Country | Spain | 
| Autonomous community | Aragon | 
| Province | Huesca | 
| Area | |
|  • Total | 15 km2 (6 sq mi) | 
| Elevation | 368 m (1,207 ft) | 
| Population  (2018) [1]  | |
|  • Total | 169 | 
| • Density | 11/km2 (29/sq mi) | 
| Time zone | UTC+1 (CET) | 
| • Summer (DST) | UTC+2 (CEST) | 
Castillazuelo is a municipality located in the province of Huesca, Aragon, Spain. According to the 2018 census (INE), the municipality has a population of 169 inhabitants.
42°04′N0°04′E / 42.067°N 0.067°E