Katsusaka Site

The Katsusaka Site is an archaeological site containing the ruins of a large Jōmon period settlement located in what is now the Isobe neighborhood of Minami-ku, Sagamihara, Kanagawa Prefecture in the southern Kantō region of Japan. The site was designated a National Historic Site of Japan in 1974, with the area designated expanded in 1980, 1984, 2006 and 2019. The site was first discovered by Kashiwa Oyama in 1926.

Source: Wikipedia