Karatsu Castle - Credit: Wikimedia Commons
is a Japanese castle located in Karatsu, Saga Prefecture, Japan. It is a hirayamajiro, a castle built on a plain rather than a hill or mountain. At the end of the Edo period, Karatsu castle was home to the Ogasawara clan, daimyĆ of Karatsu Domain. It was also known as . Read more on Wikipedia
Source: en.wikipedia.org