The Cagayan Valley region is located in the northeastern part of the Philippines. It is known for its rich agricultural land, producing crops like rice, corn, and tobacco. The region is also home to the Cagayan River, the longest river in the country, which plays a vital role in irrigation and transportation. Cagayan Valley is composed of five provinces: Cagayan, Isabela, Nueva Vizcaya, Quirino, and Aurora. The region features diverse landscapes, including mountains, valleys, and coastal areas. It is also known for its cultural heritage, with various indigenous groups and historical sites that reflect the rich history of the area.