abolition of the han system agriculture aichi prefecture akajima akita prefecture akusekijima amami islands aomori prefecture archipelago battle of okinawa chiba prefecture city designated by government ordinance coral reef da pump daijisen east china sea ecoregion ecozone ehime prefecture eutrophication fishing fukui prefecture fukuoka prefecture fukushima prefecture gackt geographic coordinate system gifu prefecture government of japan gunma prefecture hamamatsu hateruma hatoma hiroshima hiroshima prefecture hokuriku region ibaraki prefecture iejima iriomote ishikawa prefecture iwate prefecture japan japanese language japonic languages kagawa prefecture kagoshima prefecture kana kanagawa prefecture kanji kansai region kariyushi club kerama islands kobe kohamajima kuchinoerabujima kumamoto prefecture kurima kuroshima kyoto kyoto prefecture liuqiu longevity meiji period merriam-webster mie prefecture ming dynasty miyagi prefecture miyako islands miyazaki prefecture nagano prefecture nagasaki prefecture nagoya nakanoshima namie amuro nara prefecture niigata prefecture northern kyushu okayama prefecture okinawa island okinawa islands okinawa prefecture okinoerabujima orange range osaka osaka prefecture pacific ocean pechin philippines prefectures of japan regions of japan ryukyuan music ryukyuan languages ryukyuan religion saga prefecture saitama prefecture sakishima islands samurai sapporo satsuma province sedimentation sendai senkaku islands shiga prefecture shikoku shimane prefecture shimazu tadatsune shizuoka prefecture shogun southeast asia sovereignty special wards of tokyo suwanosejima suzerainty taiwan takarajima taketomi tanegashima tochigi prefecture tokara islands tokunoshima tokushima prefecture tokyo tottori prefecture toyama prefecture treaty of san francisco tropical and subtropical moist broadleaf forests wakayama prefecture yaeyama islands yakushima yamagata prefecture yamaguchi prefecture yamanashi prefecture yokohama yonaguni yoron yoronjima zongli yamen