Dainose Kanga ruins
Japan
The Dainose Kanga ruins (, Dainose Kanga iseki) is an archaeological site with the ruins of a Nara to Heian period government administrative complex located in what is now the town of Kōge in Fukuoka prefecture in northern Kyushu, Japan. The site has been protected as a National Historic Site since 1998.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).