Isabela, officially the Province of Isabela, is the second largest province in the Philippines in land area located in the Cagayan Valley. Its capital and the largest local government unit is the city of Ilagan. It is bordered by the provinces of Cagayan to the north, Kalinga to the northwest, Mountain Province to the central-west, Ifugao and Nueva Vizcaya to the southwest, Quirino, Aurora and the independent city of Santiago to the south, and the Philippine Sea to the east.
Image: View of the forested west coast of Isabela Province (Dinapique) Zoo Keys 266 001 g 003
Image: View of the Sierra Madre from the west Zoo Keys 266 001 g 004
Image: Magat dam and sign
Image: Jones Isabela
Cagayan Valley, designated as Region II, is an administrative region in the Philippines. Located in the northeastern section of Luzon, it is composed of five Philippine provinces: Batanes, Cagayan, Isabela, Nueva Vizcaya, and Quirino. The region hosts four chartered cities: Cauayan, Ilagan, Santiago, and Tuguegarao.
Image: Palaui Island Sta. Ana, Cagayan
Image: Allan Jay Quesada Tumauini Cathedral afternoon exterior DSC 0158
Image: The forested edge of the Mt. Cagua volcanic crater Zoo Keys 266 001 g 009
Image: Wakay Beach Sabtang Batanes 2
