*'''[[Dagiti siudad ti Filipinas|Siudad]]''': [[Ciudad ti Olongapo|Siudad ti Olongapo]]{{ref|olongapo|1}}
*'''[[Dagiti ili ti Filipinas|Munisipalidad]]''': [[Castillejos, Zambales|Castillejos]], [[San Marcelino, Zambales|San Marcelino]], [[Subic, Zambales|Subic]]
*'''Populasion (20072010)''': 376391,350626
{| class="wikitable" width=40%
!width=40%|Panawen
!Pannakabagi
|- style="text-align:center;"
|-
|<center><small>[[Maika-8 a Kongreso ti Filipinas|Maika-8 a Kongreso]]</small><br>1987–1992
|rowspan=2|<center>Katherine H. Gordon
|- style="text-align:center;"
|-
|<center><small>[[Maika-9 a Kongreso ti Filipinas|Maika-9 a Kongreso]]</small><br>1992–1995
|- style="text-align:center;"
|-
|<center><small>[[Maika-10 a Kongreso ti Filipinas|Maika-10 a Kongreso]]</small><br>1995–1998
|rowspan=3|<center>James J. Gordon, Jr.
|- style="text-align:center;"
|-
|<center><small>[[Maika-11 a Kongreso ti Filipinas|Maika-11 a Kongreso]]</small><br>1998–2001
|- style="text-align:center;"
|-
|<center><small>[[Maika-12 a Kongreso ti Filipinas|Maika-12 a Kongreso]]</small><br>2001–2004
|- style="text-align:center;"
|-
|<center><small>[[Maika-13 a Kongreso ti Filipinas|Maika-13 a Kongreso]]]</small><br>2004–2007
|rowspan=3|<center>Ma. Milagros H. Magsaysay
|- style="text-align:center;"
|-
|<center><small>[[Maika-14 a Kongreso ti Filipinas|Maika-14 a Kongreso]]</small><br>2007–2010
|- style="text-align:center;"
|-
|<center><small>[[Maika-15 a Kongreso ti Filipinas|Maika-15 a Kongreso]]</small><br>2010–2013
|- style="text-align:center;"
|-
|<small>[[Maika-16 a Kongreso ti Filipinas|Maika-16 a Kongreso]]</small><br>2013–2016
|rowspan=2|Jeffrey D. Khonghun
|- style="text-align:center;"
|<small>[[Maika-17 a Kongreso ti Filipinas|Maika-17 a Kongreso]]</small><br>2016–2019
|}
{{refbegin}}
==Maika-2 a distrito==
*'''[[Dagiti ili ti Filipinas|Munisipalidad]]''': [[Botolan, Zambales|Botolan]], [[Cabangan, Zambales|Cabangan]], [[Candelaria, Zambales|Candelaria]], [[Iba, Zambales|Iba]], [[Masinloc, Zambales|Masinloc]], [[Palauig, Zambales|Palauig]], [[San Antonio, Zambales|San Antonio]], [[San Felipe, Zambales|San Felipe]], [[San Narciso, Zambales|San Narciso]], [[Santa Cruz, Zambales|Santa Cruz]]
*'''Populasion (20072010)''': 344363,005995
{| class="wikitable" width=40%
!width=40%|Panawen
!Pannakabagi
|- style="text-align:center;"
|-
|<center><small>[[Maika-8 a Kongreso ti Filipinas|Maika-8 a Kongreso]]</small><br>1987–1992
|<center>Pacita T. Gonzales
|- style="text-align:center;"
|-
|<center><small>[[Maika-9 a Kongreso ti Filipinas|Maika-9 a Kongreso]]</small><br>1992–1995
|rowspan=3|<center>Antonio M. Diaz
|- style="text-align:center;"
|-
|<center><small>[[Maika-10 a Kongreso ti Filipinas|Maika-10 a Kongreso]]</small><br>1995–1998
|- style="text-align:center;"
|-
|<center><small>[[Maika-11 a Kongreso ti Filipinas|Maika-11 a Kongreso]]</small><br>1998–2001
|- style="text-align:center;"
|-
|<center><small>[[Maika-12 a Kongreso ti Filipinas|Maika-12 a Kongreso]]</small><br>2001–2004
|<center>Ruben D. Torres
|- style="text-align:center;"
|-
|<center><small>[[Maika-13 a Kongreso ti Filipinas|Maika-13 a Kongreso]]</small><br>2004–2007
|rowspan=3|<center>Antonio M. Diaz {{ref|diaz|1}}
|- style="text-align:center;"
|-
|<center><small>[[Maika-14 a Kongreso ti Filipinas|Maika-14 a Kongreso]]</small><br>2007–2010
|- style="text-align:center;"
|-
|rowspan=2|<center><small>[[Maika-15 a Kongreso ti Filipinas|Maika-15 a Kongreso]]</small><br>2010–2013
|- style="text-align:center;"
|-
|<center>Hermogenes Omar C. Ebdane III {{ref|ebdane|2}}
|- style="text-align:center;"
|<small>[[Maika-16 a Kongreso ti Filipinas|Maika-16 a Kongreso]]</small><br>2013–2016
|rowspan=2|Cheryl P. Deloso-Montalla
|- style="text-align:center;"
|<small>[[Maika-17 a Kongreso ti Filipinas|Maika-17 a Kongreso]]</small><br>2016–2019
|}
{{refbegin}}
!width=40%|Panawen
!Pannakabagi
|- style="text-align:center;"
|-
|<center><small>[[Umuna a Lehislatura ti Filipinas]]</small><br>1907–1909
|rowspan=2|<center>Alberto Barreto
|- style="text-align:center;"
|-
|<center><small>[[Maika-2 a Lehislatura ti Filipinas]]</small><br>1909–1912
|- style="text-align:center;"
|-
|<center><small>[[Maika-3 a Lehislatura ti Filipinas]]</small><br>1912–1916
|<center>Gabriel Alba
|- style="text-align:center;"
|-
|<center><small>[[Maika-4 a Lehislatura ti Filipinas]]</small><br>1916–1919
|rowspan=2|<center>Guillermo F. Pablo
|- style="text-align:center;"
|-
|<center><small>[[Maika-5 a Lehislatura ti Filipinas]]</small><br>1919–1922
|- style="text-align:center;"
|-
|<center><small>[[Maika-6 a Lehislatura ti Filipinas]]</small><br>1922–1925
|rowspan=2|<center>Alejo Labrador
|- style="text-align:center;"
|-
|<center><small>[[Maika-7 a Lehislatura ti Filipinas]]</small><br>1925–1928
|- style="text-align:center;"
|-
|<center><small>[[Maika8 a Lehislatura ti Filipinas]]</small><br>1928–1931
|rowspan=2|<center>Gregorio Anonas
|- style="text-align:center;"
|-
|<center><small>[[Maika-9 a Lehislatura ti Filipinas]]</small><br>1931–1934
|- style="text-align:center;"
|-
|<center><small>[[Maika-10 a Lehislatura ti Filipinas]]</small><br>1934–1935
|<center>Felipe Estrella
|- style="text-align:center;"
|-
|<center><small>[[Umuna a Nailian a Gimong iti Filipinas|Umuna a Nailian a Gimong]]</small><br>1935–1938
|<center>Potenciano Lesaca
|- style="text-align:center;"
|-
|<center><small>[[Maika-2 a Nailian a Gimong iti Filipinas|Maika-2 a Nailian a Gimong]]</small><br>1938–1941
|rowspan=2|<center>Valentin Afable
|- style="text-align:center;"
|-
|<center><small>[[Maika-3 a Nailian a Gimong iti Filipinas|Maika-3 a Nailian a Gimong]]</small><br>1941–1946
|- style="text-align:center;"
|-
|<center><small>[[Umuna a Kongreso ti Filipinas|Umuna a Kongreso]]</small><br>1946–1949
|rowspan=2|<center>[[Ramon Magsaysay]]{{ref|magsaysay|1}}
|- style="text-align:center;"
|-
|<center><small>[[Maika-2 a Kongreso ti Filipinas|Maika-2 a Kongreso]]</small><br>1949–1953
|- style="text-align:center;"
|-
|<center><small>[[Maika-3 a Kongreso ti Filipinas|Maika-23 a Kongreso]]</small><br>1953–1957
|<center>Enrique Corpus
|- style="text-align:center;"
|-
|<center><small>[[Maika-4 a Kongreso ti Filipinas|Maika-24 a Kongreso]]</small><br>1957–1961
|<center>Genaro F. Magsaysay
|- style="text-align:center;"
|-
|<center><small>[[Maika-5 a Kongreso ti Filipinas|Maika-5 a Kongreso]]]]</small><br>1961–1965
|<center>Virgilio L. Afable
|- style="text-align:center;"
|-
|<center><small>[[Maika-6 a Kongreso ti Filipinas|Maika-6 a Kongreso]]</small><br>1965–1969
|<center>Ramon Magsaysay, Jr.
|- style="text-align:center;"
|-
|<center><small>[[Maika-7 a Kongreso ti Filipinas|Maika-7 a Kongreso]]</small><br>1969–1972
|<center>Antonio M. Diaz
|}
{{refbegin}}
!width=40%|Panawen
!Pannakabagi
|- style="text-align:center;"
|-
|<center><small>[[Kadawyan a Nailian a Kongreso]]</small><br>1984–1986
|<center>Antonio M. Diaz
|}
!width=40%|Panawen
!Pannakabagi
|- style="text-align:center;"
|-
|rowspan=2|<center><small>[[Nailian a Gimong iti Maikadua a Republika iti Filipinas|''Nailian a Gimong'']]</small><br>1943–1944
|<center>Valentin Afable
|- style="text-align:center;"
|-
|<center>Francisco Dantes
|}
|