Castilla | |
|---|---|
 Coropuna as seen from Tipan | |
 Flag  Coat of arms | |
 Location of Castilla in the Arequipa Region | |
| Country | Peru |
| Region | Arequipa |
| Founded | 1854 |
| Capital | Aplao |
| Government | |
| • Mayor | Gilder Edy Medina Collado (2007) |
| Area | |
| • Total | 6,914.48 km2 (2,669.70 sq mi) |
| Population | |
| • Total | 36,568 |
| • Density | 5.3/km2 (14/sq mi) |
| UBIGEO | 0404 |
| Website | www.municipiocastilla.gob.pe |
Castilla Province is one of eight provinces in the Arequipa Region of Peru. It was named after Ramón Castilla.