Sannari Kofun
Tsuyama, Japan
The Sannari Kofun is a Kofun period burial mound located in the Nakakitashita neighborhood of the city of Tsuyama, Okayama Prefecture in the San'yō region of Japan. The tumulus was designated a National Historic Site of Japan in 1979.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).