Hirasawa Kanga ruins
Japan
The Hirasawa Kanga ruins (, Hirasawa kanga iseki) is an archaeological site with the ruins of a Nara to Heian period government administrative complex located in what is now part 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 1980.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).