Koyamazaki Site
Yuza, Japan
The Koyamazaki ruins (Koyamazaki iseki) is an archaeological site containing the ruins of a Jōmon period settlement located in what is now the Nanamagarihigashi, Fukiura neighborhood of the town of Yuza, Yamagata in the Tōhoku region of northern Japan. The site was designated a National Historic Site of Japan on March 10, 2020.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).