Shirakawa (Kyoto City), opposite the Heiankyo (the Heian Palace) across the Kamo-gawa River (Yodo-gawa River system), was an important center of transportation with the Tokaido Highway passing through.
白河_(京都市)は、平安京と鴨川(淀川水系)を挟んで向かい合い、東海道も通る交通の要衝であった。