Konda Kanga ruins
Japan
The Konda Kanga ruins (Konda kanga iseki) is an archaeological site with the ruins of a Nara to Heian period government administrative complex located in what is now the Kaneda and Higashioka neighborhoods of the city of Tsukuba in Ibaraki prefecture in the northern Kantō region of Japan. The site has been protected as a National Historic Site from 2004.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).