Chōjagadaira Kanga ruins
Japan
The Chōjagadaira Kanga ruins (, Chōjagadaira kanga iseki) is an archaeological site with the ruins of a Nara to Heian period government administrative complex located in what is now on the border of the cities of Nasukarasuyama, and Sakura in Tochigi prefecture in the northern Kantō region of Japan. It is protected by the central government as a National Historic Site from 2009.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).