Join 1 科学・技術 upcoming events being held in Province of Cagayan. Province of Cagayan, located in the northeastern part of Luzon Island in the Philippines, is a captivating destination known for its rich history, unique culture, and breathtaking natural wonders, including the majestic Sierra Madre mountain range, enchanting islands, and the vast Cagayan River, offering a wide range of activities for adventure-seekers, history enthusiasts, and nature lovers alike.