Nueva Vizcaya, officially the Province of Nueva Vizcaya, is a landlocked province in the Philippines located in the Cagayan Valley region in Luzon. Its capital and largest town is Bayombong. It is bordered by Benguet to the west, Ifugao to the north, Isabela to the northeast, Quirino to the east, Aurora to the southeast, Nueva Ecija to the south, and Pangasinan t…Nueva Vizcaya, officially the Province of Nueva Vizcaya, is a landlocked province in the Philippines located in the Cagayan Valley region in Luzon. Its capital and largest town is Bayombong. It is bordered by Benguet to the west, Ifugao to the north, Isabela to the northeast, Quirino to the east, Aurora to the southeast, Nueva Ecija to the south, and Pangasinan to the southwest. Quirino province was created from Nueva Vizcaya in 1966.