▁T ug u eg ara o ▁City ▁( as ▁of ▁December ▁ 1 8 , ▁ 1 9 9 9 ) ▁is ▁the ▁provincial ▁capital , ▁regional ▁seat , ▁and ▁center ▁of ▁business , ▁trade , ▁and ▁education ▁and ▁the ▁only ▁city ▁in ▁the ▁province . ▁ ▁Bar ang ays ▁The ▁ 2 8 ▁municipal ities ▁and ▁ 1 ▁city ▁of ▁the ▁province ▁compr ise ▁a ▁total ▁of ▁ 8 2 0 ▁bar ang ays , ▁with ▁U g ac ▁Sur ▁in ▁T ug u eg ara o ▁City ▁as ▁the ▁most ▁popul ous ▁in ▁ 2 0 1 0 , ▁and ▁Centro ▁ 1 5 ▁( P ob lac ion ) ▁in ▁A par ri ▁as ▁the ▁least . ▁If ▁cities ▁are ▁ex cluded , ▁Ma ura ▁in ▁A par ri ▁has ▁the ▁highest ▁population . ▁ ▁Cl imate ▁ ▁Dem ograph ics ▁ ▁The ▁population ▁of ▁C ag ay an ▁in ▁the ▁ ▁was ▁ ▁people , ▁with ▁a ▁density ▁of ▁. ▁ ▁The ▁majority ▁of ▁people ▁living ▁in ▁C ag ay an ▁are ▁of ▁I loc ano ▁descent , ▁mostly ▁from ▁migr ants ▁coming ▁from ▁the ▁I loc os ▁Region . ▁Origin ally , ▁the ▁more ▁numerous ▁group ▁were ▁the ▁I ban ags , ▁who ▁were ▁first ▁sight ed ▁by ▁the ▁Spanish ▁expl or ers ▁and ▁converted ▁to ▁Christian ity ▁by ▁mission aries , ▁the ▁reason ▁why ▁the ▁I ban ag ▁language ▁had ▁spread ▁throughout ▁the ▁valley ▁region ▁prior ▁to ▁the ▁arrival ▁of ▁the ▁migr ating ▁I loc anos .