This palace was located on the Uemachi plateau and, in 1913, several roof tiles with the jukenmon (concentric circle design) and rengemon (lotus flower patterns) were found during the construction of an army warehouse.
この宮は、上町台地の上にあり、大正2年(1913)に陸軍の倉庫建築中に数個の重圏文・蓮華文の瓦が発見されている。