Nueva Vizcaya is a province in the Philippines situated in the Cagayan Valley region occupying the northeastern section of Luzon. Its capital is the Municipality of Bayombong.

The province has a land area of 4,813.88 square kilometers or 1,858.65 square miles. Its population as determined by the 2020 Census was 497,432. This represented 13.50% of the total population of the Cagayan Valley region, 0.80% of the overall population of the Luzon island group, or 0.46% of the entire population of the Philippines. Based on these figures, the population density is computed at 103 inhabitants per square kilometer or 268 inhabitants per square mile.

-https://www.philatlas.com/luzon/r02/nueva-vizcaya.html