What is principal cities in the Philippines?

Manila is the capital of the Philippines and the country’s chief port, main commercial and cultural center, and largest city. Other important cities include Quezon City, which is part of the Manila metropolitan area, and served as the country’s capital from 1948 to 1976; Davao, a provincial capital and a seaport; Cebu, a seaport and the trade center for a farming and coal-mining region; and Zamboanga, also a seaport.