In the "Lecture on Chronicles of Japan in the Gangyo Era "by Emperor Yozei, which is collected in "Shaku Nihongi" (annotated text of the Nihon Shoki), KOREYOSHI no Takahisa proposed that Soshimori was So(no)hori, or the present day Seoul.
『釈日本紀』（述義）にある陽成天皇によるの日本紀講筵の元慶度講書（-）で、惟良宿禰高尚（惟良高尚）がソシモリを今の蘇之保留と解説した。