Nueva Vizcaya is a province of the Philippines located in Cagayan Valley region in Luzon. Its capital 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.EtymologyThe name Nueva Vizcaya is derived from the name of the province of Biscay (called Vizcaya in Spanish, Bizkaia in Basque) in the Spanish rule period. This can be seen in the right part of the seal, a representation of the heraldic of Vizcaya in Spain.