Mishima Jiikonbo Kofun Cluster
Japan
The Mishima Jiikonbo Kofun Cluster is a group of burial mounds, located on the island of Mishima in the city of Hagi, Yamaguchi in the San'yō region of Japan. The grave cluster was designated a National Historic Site of Japan in 1958, with the area under protection expanded in 1984.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).