(Those remains excavated in this area are considered to be produced in the first half of the early Tumulus period, constructed in about 23 square meters in 3.6 meters x 5.45 meters dimention, and also some other accompanying remains have been excavated including; an archeological feature representing a sign of a collapsed building, along with a wooden artifact in black lacquer with arc patterns; a small building measuring 1.8 meters x 1.8 meters; another 3.6 meters x 3.6 meters all-pillared building along with black lacquered, arc patterned wooden relics; it may be inferred from these artifacts that buildings of a major palace existed at this location.)
（古墳時代前期前半の2×3間で床面積約23平方メートルの建物、家屋倒壊遺構と黒漆塗りの弧文を持つ木製品、1×1間の小家屋と2×2間の総柱建物と弧文黒漆塗木製品、纏向玉城宮跡の石碑、宮殿居館の存在が疑われる。)