Olongapo

Olongapo is a highly urbanized city in the Central Luzon region of the Philippines, officially the City of Olongapo. It is geographically situated in and grouped under the province of Zambales by the Philippine Statistics Authority but is governed independently, and it is the largest city of the province. Portions of the city also form part of the Subic Special Economic and Freeport Zone. Together with the municipality of Subic it makes up Metro Olongapo, one of the twelve metropolitan areas of the Philippines. The 2024 census counted 264,903 residents, compared with 260,317 in 2020, and the city covers about 103 square kilometres according to the national list of cities and municipalities.