Samegao Castle

Samegao Castle - Credit: Wikimedia Commons

was a Sengoku period yamashiro-style Japanese castle located in what is now the Yukimori and Miyauchi neighborhoods of the city of Myōkō, Niigata Prefecture in the Hokuriku region of Honshu, Japan. The ruins have been protected as a National Historic Site since 2008. Read more on Wikipedia

type: military installation
date from: 1570

Source: en.wikipedia.org