Nueva Vizcaya is a province of the Philippines located in the Cagayan Valley region in the island of Luzon. Its capital is Bayombong and is bordered in a clockwise direction from the north by Ifugao, Isabela, Quirino, Aurora, Nueva Ecija, Pangasinan, and Benguet.
In 1942, Japanese troops occupied Nueva Vizcaya. Filipino and American troops liberated the province in 1945.
