Okadayama Kofun
Matsue, Japan
The Okadayama Kofun is a cluster of seven large and small Kofun period burial mounds, located in the Okusa-cho neighborhood of the city of Matsue, Shimane in the San'in region of Japan. The two larger burial mounds were collectively designated a National Historic Site of Japan in 1965. The artifacts from this site have been collectively designated a National Important Cultural Property in 1985.
Cemetery data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).