Zambales is a province of the Philippines located in the Central Luzon region. Its capital is Iba. Zambales borders Pangasinan to the north, Tarlac and Pampanga to the east, and Bataan to the south. The province lies between the South China Sea and the Zambales Mountains. With a land area of 3,700km, Zambales is the second largest among the seven provinces of Central Luzon. It has a population density of 170 people per square kilometer², one of the lowest in the country. The province is noted for its mangoes, which are abundant from January to April.