The remains found in Shimotsuke at the time when Kiminari worked there included the following: the remains of Kamikounushi Mobara kanga (government office) iseki (at that time Kawachi County; present day, Kaminokawa-machi, Utsunomiya City) and Yakushi-ji Temple (at that time, Shimotsuke City) (present day; Kawachi County, Shimotsuke City); they are located along Tosan-do Road, to the east of the local government of Shimotsuke (Tsuga District, present day, Tochigi City).
君成が下野国に任ぜられた時代の下野の遺跡として、下野国府（都賀郡、現・栃木市）から東山道を東へ進んだ先に上神主・茂原官衙遺跡（河内郡、現・宇都宮市、上三川町）や薬師寺(下野市)（同郡、現・下野市）がある。