Say Catanduanes et kumatlo ya klase a luyag ed rehiyon na Bicol Region, Filipinas. Unong ed 1 Mayo 2020 census, say populasyon to et 271,879 totoo tan 53,482 abong. Walay kabaleg tan sukat to ya 1,492.16 sq. km. Say kodigo telefono +63 (0)52. Say kapital to et Virac.
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Census of Population (2015). "Region V (Bicol Region)". Total Population by Province, City, Municipality and Barangay. PSA. Retrieved 29 June 2016.
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Census of Population and Housing (2010). "Region V (Bicol Region)". Total Population by Province, City, Municipality and Barangay. NSO. Retrieved 29 June 2016.