achi ▁Sub p ref ect ure ▁to ▁the ▁north ▁across ▁the ▁H id aka ▁Mountains . ▁To ▁the ▁west ▁is ▁Ib uri ▁Sub p ref ect ure . ▁The ▁south ▁side ▁of ▁the ▁sub p ref ect ure ▁is ▁its ▁coast ▁on ▁the ▁Pacific ▁Ocean . ▁ ▁The ▁H id aka ▁Mountains ▁are ▁known ▁as ▁a ▁" Me cca ▁of ▁Mount aine ering ", ▁with ▁more ▁than ▁ 2 0 ▁mountains ▁including ▁Mount ▁Por oshi ri ▁at ▁. ▁These ▁mountains ▁are ▁part ▁of ▁the ▁H id aka ▁San my aku - Er imo ▁Qu asi - National ▁Park , ▁which ▁include ▁Mount ▁A po i ▁al pine ▁veget ation ▁community ▁and ▁Cape ▁Er imo ▁coast ▁landscape . ▁These ▁areas ▁bo ast ▁wild life ▁such ▁as ▁brown ▁bear , ▁s ika ▁de er , ▁and ▁common ▁se al . ▁ ▁C ities ▁There ▁are ▁no ▁cities ▁in ▁this ▁sub p ref ect ure . ▁ ▁Town s ▁and ▁villages ▁by ▁district ▁ ▁H id aka ▁District ▁ ▁Shin h id aka ▁ ▁H oro iz umi ▁District ▁ ▁Er imo ▁ ▁Ni ik app u ▁District ▁ ▁Ni ik app u ▁ ▁Sam ani ▁District ▁ ▁Sam ani ▁ ▁Sar u ▁District ▁ ▁Bir atori ▁ ▁H id aka ▁ ▁U ra ka wa ▁District ▁ ▁U ra ka wa （ cap ital ） ▁ ▁Mer gers ▁ ▁Dem ograph ics ▁The ▁population ▁of ▁H id aka ▁Sub p ref ect ure ▁is ▁ 8 1 , 4 0 7 ▁in ▁ 3 3