Shoko-ji Temple, which became the Imperial Palace, is considered to mean Kosho-ji Temple which was at Ishimaru (Ishimaru, Takaoka City) next to Hojozu-jo Castle and has now moved to Hon-machi, Imizu City.
御所となった正光寺は、放生津城に隣接する石丸（高岡市石丸）にあった光正寺（現在は射水市本町へ移転）を指すと考えられている。