Sendai Castle
Aoba Castle (Sendai Castle) is a Japanese castle located in Sendai, Miyagi Prefecture, Japan. Throughout the Edo period, Aoba Castle was home to the Date clan, daimyō of Sendai Domain. The castle was also known as Sendai-jō or as Gojō-rō. In 2003, the castle ruins were designated a National Historic Site.
For more details:
AloJapan.com