Arioka Kofun Cluster
Zentsūji-shi, Japan
The Arioka Kofun Cluster (Arioka Kofun-gun) is a group of kofun burial mounds located in the city of Zentsūji, Kagawa Prefecture, on the island of Shikoku of Japan. The tumuli were collectively designated a National Historic Site in 1984. It is claimed to be a group of tombs of the powerful local family who were the ancestors of the famed prelate Kūkai.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).