▁reg ency ▁in ▁the ▁Central ▁Java ▁Province . ▁It ▁had ▁a ▁population ▁of ▁ 1 , 4 1 3 , 3 2 8 ▁at ▁the ▁ 2 0 1 0 ▁Census ; ▁the ▁latest ▁official ▁estimate ▁( as ▁at ▁January ▁ 2 9 1 4 ) ▁was ▁ 1 , 3 2 4 , 7 4 7 . ▁Gro b og an ▁is ▁divided ▁into ▁nin ete en ▁districts : ▁ ▁Br ati ▁Gab us ▁G ey er ▁God ong ▁Gro b og an ▁G ub ug ▁Kar ang ray ung ▁K ed ung j ati ▁Kl amb u ▁K rad en an ▁Ng aring an ▁Pen aw ang an ▁Pul ok ul on ▁Pur wod adi ▁Tang g ung har jo ▁T aw ang har jo ▁T eg ow anu ▁Tor oh ▁Wi ros ari ▁ ▁The ▁reg ency ▁includes ▁a ▁total ▁of ▁ 2 8 0 ▁villages . ▁Border ing ▁Gro b og an ▁Reg ency ▁to ▁the ▁north ▁are ▁the ▁Dem ak , ▁P ati ▁and ▁K ud us ▁Reg encies , ▁to ▁the ▁east ▁is ▁Bl ora ▁Reg ency , ▁to ▁the ▁south ▁are ▁the ▁Ng aw i ▁( E ast ▁Java ▁Province ), ▁S ragen ▁and ▁Boy ol ali ▁Reg encies ▁and ▁to ▁the ▁west ▁is ▁Sem ar ang ▁Reg ency . ▁The ▁government ▁of ▁the ▁reg ency ▁is ▁led ▁by ▁a ▁reg ent . ▁The ▁current ▁reg ent ▁is ▁Sri ▁Sum ar ni . ▁ ▁History ▁Based ▁on ▁history , ▁Gro b og an ▁Reg ency ▁has