The Legislative Districts of Sorsogon, namely the first and second are the representations of the Province of Sorsogon in the Philippine House of Representatives. Sorsogon had been divided into two congressional districts since 1907, which included Masbate until 1922. From 1978 to 1984, it was part of the representation of Region V in the Interim Batasang Pambansa, and it elected 2 assemblymen at-large in the Regular Batasang Pambansa from 1984 to 1986.
City: Sorsogon City
Municipalities: Bacon (merged into Sorsogon City 2000), Casiguran, Castilla, Donsol, Magallanes, Pilar
Population (2010): 390,293
Municipalities: Bacon, Barcelona, Bulusan, Casiguran, Castilla, Gubat, Irosin, Juban, Matnog, Prieto Diaz, Santa Magdalena, Sorsogon
Municipalities: Barcelona, Bulan, Bulusan, Gubat, Irosin, Matnog, Prieto Diaz, Santa Magdalena
Municipalities: Barcelona, Bulan, Bulusan, Gubat, Irosin, Juban, Matnog, Prieto Diaz, Santa Magdalena
Population (2010): 350,450
Municipalities: Aroroy, Bulan, Cataingan, Dimasalang, Donsol, Magallanes, Mandaon (later annexed to Milagros until 1949), Masbate, Milagros, Mobo (annexed to Masbate 1910–1949), Pilar, Placer (later annexed to Cataingan until 1948), Pulanduta (Balud) (later annexed to Milagros until 1949), San Fernando, San Jacinto, San Pascual, Uson (annexed to Dimasalang 1911–1949)
Municipalities: Bacon, Casiguran, Castilla, Donsol, Juban, Magallanes, Pilar, Sorsogon
Legislative districts of Sorsogon Wikipedia (Text) CC BY-SA