"Population and Annual Growth Rates for The Philippines and Its Regions, Provinces, and Highly Urbanized Cities Based on 1990, 2000, and 2010 Censuses". 2010 Census and Housing Population . National Statistics Office. Retrieved 12 October 2012. highly urbanized city, independent from any province. independent component city, not under the jurisdiction of any provincial government. - A component city, part of the province of Basilan, but whose regional services are provided by the offices of Region IX.