There are twelve metropolitan areas in the Philippines as defined by the National Economic and Development Authority (NEDA). Metro Manila is the largest conurbation or urban agglomeration in the country, and its official metropolitan area is composed of the city of Manila plus 15 neighboring cities and a municipality. Other metropolitan areas are centered around the cities of Baguio,Dagupan, Angeles, Olongapo, Batangas, Naga, Cebu, Iloilo, Bacolod, Cagayan de Oro, Zamboanga and Davao.[2 -