This is believed to be where the successive rulers of Yoshinogari and the surrounding village rulers resided during the peak of the Yayoi civilization. Judging from the formidable defenses of this area, including the circular moats, fences, and watchtowers, this place is considered to be where the rulers of Yoshinogari could be found. In contrast to the other living areas of Yoshinogari, the high-floored houses, as well as various iron products found in the area, show the elevated status of their residents .