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 .Quirino province later on broke away from the province as it was more related to Isabela province in the north.
Dupax del Norte, situated on the south-eastern part of Nueva Vizcaya, has a total land area of 396 square kilometers. It is bounded by the town of Kasibu in the north, Alfonso Castañeda in the east, Dupax del Sur in the south, and Bambang in the west. ..