Azaka Castle - Credit: Wikimedia Commons
was a Japanese castle located in what is now the Oazaka neighborhood of the city of Matsusaka, Mie in the Kansai region of Japan. Its ruins were designated a National Historic Site in 1982, collectively with the ruins of Taka Castle and Karatachi Castle. All of these fortifications were important citadels of the Kitabatake clan who controlled northern Ise Province in the Nanboku-chō period. Read more on Wikipedia
Source: en.wikipedia.org