▁been ▁known ▁since ▁the ▁H indu ▁Mat aram ▁kingdom . ▁This ▁area ▁became ▁the ▁center ▁of ▁the ▁Mat aram ▁kingdom ▁with ▁its ▁capital ▁in ▁Med hang ▁Kam ul an ▁or ▁Sum ed ang ▁Pur w oc ar ito ▁or ▁Pur wod adi . ▁The ▁capital ▁was ▁later ▁moved ▁to ▁around ▁town ▁Pr amb an an ▁as ▁Med ang ▁i ▁Bh umi ▁Mat aram ▁or ▁Med ang ▁Mat ▁i ▁W atu ▁or ▁Med ang ▁i ▁P oh ▁P itu ▁or ▁Med ang ▁ri ▁Mam rat ip ura . ▁ ▁During ▁the ▁time ▁of ▁Med ang ▁and ▁K ah ur ip an , ▁Gro b og an ▁region ▁was ▁important ▁to ▁those ▁country . ▁Meanwhile , ▁in ▁the ▁time ▁of ▁Maj ap ah it , ▁Dem ak , ▁and ▁P aj ang , ▁Gro b og an ▁was ▁always ▁associated ▁with ▁fol kl ore ▁of ▁Ki ▁Ag eng ▁S ela , ▁Ki ▁Ag eng ▁Tar ub , ▁Bond an ▁Ke j aw an ▁and ▁the ▁story ▁of ▁A ji ▁S aka . ▁ ▁During ▁the ▁Islam ic ▁Mat aram ▁kingdom , ▁Gro b og an ▁region ▁were ▁included ▁as ▁Man can eg ara ▁and ▁had ▁become ▁the ▁coordin ative ▁area ▁of ▁Reg ent ▁N ay oko ▁Pon or ogo : ▁Ad ip ati ▁Su rod ining rat . ▁In ▁the ▁times ▁of ▁War ▁Pr ang wad an an ▁and ▁War ▁Mang k ub umen , ▁the ▁region ▁was ▁a ▁power ▁base ▁of ▁Prince ▁Pr ang wed ana ▁( R aden ▁Mas ▁Sa id ) ▁and