The site is located just on the south of Kamiya Iseki Park. No admittance to the site as it is fenced by wires. It is said to be the site of Ashigaki-no-miya palace where Prince Shotoku spent his last years with Lady Kashiwade. Also, according to the Chronicles of ancient Japan, Empress Shotoku stayed at Akunami-no-miya for 2 days, which was built on the site of Ashigaki-no-miya palace.