Moreover, while some historians, such as Shinichi SATO and Susumu ISHII consider the extent of the area subject to this decree as the whole area throughout Tokaido (an old Japanese geographical region that was situated along the southeastern edge of Honshu) and Tosando(an old Japanese geographical region that was situated along the central mountains of Honshu), Masataka UWAYOKOTE insists that it was limited to the thirteen provinces located eastward of Totomi Province and Shinano Province.
また、本宣旨が対象とする地域範囲についても、佐藤進一や石井進(歴史学者)らが東海道・東山道全域とするのに対し、上横手雅敬は遠江・信濃以東の13カ国に限定されていたとする。