hokkaido, second largest island of japan, gray political map

hokkaido island japan sapporo map hokkaido kuril islands prefecture honshu sakhalin russia kuril kurile sea okhotsk pacific ocean japanese region area kurile kunashir iturup shikotan cape soya habomai asahikawa hakodate kushiro tomakomai okushiri nemuro oshima peninsula northern territories archipelago asia capital country political mapping atlas cartography geography travel gray isolated white background vector