Nakafutago Kofun
Japan
Nakafutago Kofun is a Kofun period burial mound located in the Nishi-Ōmuro neighborhood of what is now the city of Takasaki, Gunma Prefecture in the northern Kantō region of Japan. It was designated a National Historic Site of Japan in 1927. It is estimated to have been built around beginning of the 6th century AD and is part of a group of at least six tumuli which were concentrated in the vicinity, forming the Ōmuro Kofun Cluster. Within the Ōmuro Kofun Cluster are also the Maefutago Kofun and the Ushirofutago Kofun, which have a separate National Historic Site designations.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).