▁former ▁Im ag awa ▁territ ories ▁were ▁divided ▁between ▁Tak eda ▁Sh ingen ▁of ▁K ai ▁and ▁Tok ug awa ▁I ey as u ▁of ▁Mik awa . ▁K ak eg awa ▁Castle ▁was ▁surrender ed ▁to ▁Tok ug awa ▁forces ▁in ▁ 1 5 6 8 ▁by ▁As ah ina ▁Y as ut omo ▁after ▁a ▁five ▁month ▁sie ge . ▁The ▁surrounding ▁area ▁remained ▁a ▁territory ▁cont ested ▁between ▁the ▁Tok ug awa ▁and ▁Tak eda ▁for ▁many ▁years ; ▁however , ▁K ak eg awa ▁Castle ▁remained ▁in ▁Tok ug awa ▁hands ▁until ▁the ▁fall ▁of ▁the ▁Tak eda ▁cl an . ▁ ▁After ▁the ▁Battle ▁of ▁O da w ara ▁in ▁ 1 5 9 0 ▁and ▁the ▁rise ▁to ▁power ▁of ▁Toy ot omi ▁H ide y oshi , ▁Tok ug awa ▁I ey as u ▁was ▁forced ▁to ▁trade ▁his ▁domains ▁in ▁the ▁T ō ka i ▁region ▁for ▁the ▁Kant ō ▁region ▁instead . ▁K ak eg awa ▁was ▁rel in qu ished ▁to ▁Toy ot omi ▁retain er ▁Yam au chi ▁Kaz uto yo ▁as ▁the ▁center ▁of ▁a ▁new ▁ 5 1 , 0 0 0 ▁k oku ▁( l ater ▁ 5 9 , 0 0 0 ▁k oku ) ▁domain . ▁Yam au chi ▁Kaz uto yo ▁completely ▁re built ▁the ▁castle ▁per ▁the ▁latest ▁contemporary ▁designs , ▁and ▁the ▁current ▁layout ▁and ▁much ▁of ▁the ▁stone ▁walls ▁and ▁mo ats ▁date ▁from ▁his ▁period . ▁ ▁After ▁the ▁establishment ▁of ▁the