Miwayama Kofun Group
Japan
The Miwayama Kofun cluster (Miwayama Kofun-gun) is a group of kofun burial mounds located in Ninomiya neighborhood of the city of Tsuyama, Okayama Prefecture, in the San'yō region of Japan. The tumuli were collectively designated a National Historic Site in 2015.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).