Bicol (Philippine region)ISO 3166-2 code: PH-05SubdivisionsProvince AlbayCamarines NorteCamarines SurCatanduanesMasbateSorsogon Child topics: Albay (Philippine province)Camarines Norte (Philippine province)Camarines Sur (Philippine province)Catanduanes (Philippine province)Masbate (Philippine province)Sorsogon (Philippine province) Parent topics: Serbia