Castillejos is a charming municipality located in the province of Zambales, on the island of Luzon in the Philippines. It is known for its beautiful landscapes, rich history, and vibrant culture. The town is nestled between the Zambales Mountain Range and the South China Sea, offering stunning views and a peaceful atmosphere. The town of Castillejos is a mix of urban and rural areas, with bustling markets, quaint neighborhoods, and lush farmlands. The town center is a hub of activity, with shops, restaurants, and historical landmarks such as the San Agustin Parish Church, which dates back to the Spanish colonial era.