Ema clan castle ruins
Hida, Japan
Ema clan castle ruins (Ema-shi jōkan ato) are a group of Sengoku period Japanese castles ruins located in the Kamioka neighborhood of the city of Hida, Gifu Prefecture, Japan. The ruins have been protected as a National Historic Site since 1980.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).