Nasu Ogawa Kofun Cluster
Japan
The Nasu Ogawa Kofun Cluster is the collective designation for three separate groups of kofun burial mounds located in the town of Nakagawa in Tochigi Prefecture in the northern Kantō region of Japan. The Komagata Ōtsuka Kofun within this cluster received protection as a National Historic Site in 1979, and the other groups were added in 2002.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).