Kanjōsan Castle

Kanjōsan Castle - Credit: Wikimedia Commons

is the remains of a Muromachi period Japanese castle structure located in the city of Himeji, Hyōgo Prefecture, Japan. Its ruins have been protected as a National Historic Site as one of the Remains of Akamatsu-shi Castles, combining both Shirahata Castle and Okishio Castle, since 1996. Read more on Wikipedia

type: military installation
date from: Kamakura period

Source: en.wikipedia.org