1 8 6 6 ▁and ▁was ▁converted ▁into ▁an ▁up az ila ▁in ▁ 1 9 8 4 . ▁It ▁is ▁named ▁after ▁its ▁administrative ▁center , ▁the ▁town ▁of ▁Kal ia . ▁ ▁Geography ▁Kal ia ▁Up az ila ▁has ▁a ▁total ▁area ▁of ▁. ▁It ▁borders ▁L oh ag ara ▁Up az ila ▁to ▁the ▁north , ▁D h aka ▁Division ▁to ▁the ▁east , ▁B ager hat ▁and ▁Kh ul na ▁districts ▁to ▁the ▁south , ▁Jess ore ▁District ▁to ▁the ▁south west , ▁and ▁Nar ail ▁Sad ar ▁Up az ila ▁to ▁the ▁north west . ▁ ▁The ▁N ab ag anga ▁River ▁flows ▁south ▁through ▁the ▁up az ila . ▁ ▁Dem ograph ics ▁ ▁According ▁to ▁the ▁ 2 0 1 1 ▁Bang l adesh ▁census , ▁Kal ia ▁Up az ila ▁had ▁ 4 8 , 5 7 9 ▁households ▁and ▁a ▁population ▁of ▁ 2 2 0 , 2 0 2 , ▁ 1 6 . 3 % ▁of ▁whom ▁lived ▁in ▁urban ▁areas . ▁ 1 0 . 8 % ▁of ▁the ▁population ▁was ▁under ▁the ▁age ▁of ▁ 5 . ▁The ▁liter acy ▁rate ▁( age ▁ 7 ▁and ▁over ) ▁was ▁ 5 5 . 3 %, ▁compared ▁to ▁the ▁national ▁average ▁of ▁ 5 1 . 8 %. ▁ ▁Administration ▁Kal ia ▁Up az ila ▁is ▁divided ▁into ▁Kal ia ▁Municip ality ▁and ▁ 1 4 ▁union ▁parish ads : ▁Bab ra has la , ▁B ai osh ona , ▁Bor