Sambal language in the context of "Iba, Zambales"

Zambales, officially the Province of Zambales (Sambal: Probinsya nin Zambales; Ilocano: Probinsia ti Zambales; Pangasinan: Luyag na Zambales; Kapampangan: Lalawigan ning Zambales; Tagalog: Lalawigan ng Zambales), is a province in the Philippines located in the Central Luzon region. Its capital is Iba, which is located in the middle of the province. Olongapo is the largest city of the province wherein it is geographically located but politically independent.

Zambales borders Pangasinan to the north and northeast, Tarlac to the east, Pampanga to the southeast, Bataan to the south and the South China Sea to the west. With a total land area of 3,830.83 square kilometres (1,479.09 sq mi) (including the independent city of Olongapo), Zambales is the second largest among the seven provinces of Central Luzon after Nueva Ecija. The province is noted for its mangoes, which are abundant from January to April.

Central Luzon (Tagalog: Gitnang Luzon; Kapampangan: Kalibudtarang Luzon; Sambal: Botlay a Luzon; Pangasinan: Pegley a Luzon; Ilocano: Tengnga a Luzon), designated as Region III, is an administrative region in the Philippines. The region comprises seven provinces: Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga (with its capital, City of San Fernando serving as the regional center), Tarlac, and Zambales; and two highly urbanized cities, Angeles and Olongapo. San Jose del Monte is the most populous city in the region. The region contains the largest plain in the country and produces most of the country's rice supply, earning itself the nickname "Rice Granary of the Philippines". It is also the region to have the most number of provinces.

Olongapo ([ʔoˌloːŋ.ɡɐˈpo]), officially the City of Olongapo (Filipino: Lungsod ng Olongapo; Ilocano: Siudad ti Olongapo; Sambal: Siyodad nin Olongapo; Kapampangan: Lakanbalen/Ciudad ning Olongapo), is a highly urbanized city situated in the Central Luzon region of the Philippines. According to the 2024 census, it has a population of 264,903 people.

It is geographically situated and grouped under the province of Zambales by the Philippine Statistics Authority but governed independently and is also its largest city. Portions of the city also form part of the Subic Special Economic and Freeport Zone.