A few facts about Castillejos
- Castillejos has a population of about 27,000.
- It lies in Central Luzon.
- It's about 97 km to Quezon City, the country's largest city.
- The nearest bigger city is Olongapo, about 15 km away.
- Close by: Santol (47 km), Angeles City (48 km) and Mabalacat City (51 km).