- Legislative districts of Zambales
The Legislative Districts of Zambales, namely the first and second districts are the representations of the Province of Zambales in the
Philippine House of Representatives .Zambales was a lone legislative district until 1986. It was part of the representation of Region III from 1978 to 1984. In 1986, it was redistricted into two legislative districts.1st District
*City:
Olongapo
*Municipality:Castillejos ,San Marcelino ,Subic
*Population (2000):References
*Philippine House of Representatives Congressional Library
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