Iba is a first class municipality and the capital of the province of Zambales Philippines. According to the 2010 Philippine census, it has a population of 46,761 people. It is the second largest provincial capital in terms of land area in Central Luzon Region after Tarlac City. Iba is the birthplace of former Philippine President Ramon Magsaysay. With a continuously growing number of commercial establishments, banks, and financial institutions in Iba, it contends among the most competitive municipalities in Philippines, and is pushing forward towards a progressive city.