an , ▁the ▁Hij o ▁River ▁Valley , ▁and ▁the ▁se aco asts ▁of ▁King king , ▁Mac o , ▁K w amb og , ▁Hij o , ▁Tag um , ▁Lib ug anon , ▁T ug an ay , ▁Is ing , ▁and ▁Pan ab o . ▁ ▁Mat ig sal ug ▁ ▁B uk id non ▁groups ▁who ▁are ▁found ▁in ▁the ▁Tig wa - Sal ug ▁Valley ▁in ▁San ▁Fernando ▁in ▁B uk id non ▁province , ▁Philippines . ▁Their ▁name ▁means ▁" people ▁along ▁the ▁Sal ug ▁River ▁( now ▁called ▁the ▁D ava o ▁River ) ". ▁Although ▁often ▁class ified ▁under ▁the ▁Man ob o ▁eth n ol ingu istic ▁group , ▁the ▁Mat ig sal ug ▁are ▁a ▁distinct ▁sub - group . ▁ ▁Sang il ▁ ▁The ▁Sang il ▁people ▁( also ▁called ▁Sang ir , ▁S angu , ▁Mar ore , ▁Sang ire zen , ▁or ▁T ala o ere zen ) ▁are ▁originally ▁from ▁the ▁Sang ihe ▁and ▁T ala ud ▁Islands ▁( now ▁part ▁of ▁Indones ia ) ▁and ▁parts ▁of ▁D ava o ▁Occ ident al ▁( part icular ly ▁in ▁the ▁Sar ang ani ▁Islands ), ▁D ava o ▁del ▁Norte , ▁D ava o ▁del ▁Sur , ▁Sultan ▁K ud ar at , ▁South ▁Cot ab ato , ▁and ▁North ▁Cot ab ato . ▁Their ▁populations ▁( m uch ▁like ▁the ▁S ama - B aj au ) ▁were ▁separated ▁when ▁borders ▁were ▁drawn ▁between ▁the ▁Philippines ▁and ▁Indones