ay o ▁and ▁Ag us an ▁people . ▁Their ▁d ances ▁are ▁show c ased ▁in ▁the ▁local ▁festival , ▁" S ir ong ▁Festival ", ▁held ▁especially ▁during ▁the ▁town ▁fi esta ▁of ▁Cant il an . ▁The ▁Sir ong ▁Festival ▁dep ict s ▁the ▁early ▁Christian ization ▁of ▁the ▁early ▁Cant il an ▁inhabitants ▁where ▁the ▁n atives ▁tried ▁to ▁defend ▁their ▁land ▁against ▁Vis ay an ▁inv aders . ▁ ▁The ▁ind igen ous ▁people ▁of ▁the ▁province ▁were ▁largely ▁Christian ized ▁during ▁the ▁early ▁times ▁of ▁the ▁Spanish ▁con quest . ▁ ▁L anguages ▁Sur iga on on ▁and ▁T and agan on ▁languages ▁are ▁spoken ▁in ▁most ▁parts ▁of ▁Sur iga o ▁del ▁Sur ▁( except ▁in ▁Bis lig ▁City ▁and ▁the ▁towns ▁of ▁Bar ob o , ▁Hin atu an , ▁L ing ig ▁and ▁Tag b ina , ▁where ▁most ▁of ▁the ▁inhabitants ▁speak ▁C eb u ano ▁and ▁their ▁native ▁Kam ay o , ▁a ▁different ▁language ▁but ▁dist antly ▁related ▁to ▁Sur iga on on , ▁is ▁spoken ▁by ▁the ▁rest ▁of ▁the ▁population ), ▁with ▁Cant il ang non ▁dialect , ▁a ▁northern ▁variation ▁of ▁Sur iga on on ▁which ▁is ▁very ▁much ▁similar ▁to ▁the ▁dialect ▁of ▁Sur iga on on ▁as ▁spoken ▁in ▁Sur iga o ▁del ▁Norte , ▁being ▁spoken ▁mostly ▁in ▁the ▁five ▁northern ▁municipal ities ▁of ▁the ▁province ▁namely ▁Car ras cal , ▁Cant il an , ▁Madrid , ▁Car men ▁and ▁L anu za ▁( or ▁the