Template:Infobox military installationOkazaki Castle (岡崎城, Okazaki-jō) is a Japanese castle located in Okazaki, Aichi Prefecture, Japan. At the end of the Edo period, Okazaki Castle was home to the Honda clan, daimyō of Okazaki Domain, but the castle is better known for its association with Tokugawa Ieyasu and the Tokugawa clan. The castle was also known as "Tatsu-jō " (龍城). Saigo Tsugiyori ya gina katangar ƙasa a yankin Myodaiji na Okazaki, kusa da gidan yanzu a cikin shekarar ta 1455. Matsudaira Kiyoyasu, bayan samun ikon yankin a cikin shekarar ta 1524, ya rushe tsohuwar shinge kuma ya gina Castle na Okazaki akan inda yake yanzu. Sanannen jikansa Matsudaira Motoyasu (wanda daga baya ake kira Tokugawa Ieyasu ) an haife shi aranar 16 ga watan Disamba, acikin shekara ta 1542. Iyalan Imagawa sun ci Matsudaira acikin shekara ta 1549, kuma an kai Ieyasu zuwa Sunpu Castle a matsayin garkuwa. Bayan shan kashi na Imagawa a Yaƙin Okehazama, Ieyasu ya sake mallakar gidan sarauta acikin shekara ta 1560 kuma ya bar babban ɗansa Matsudaira Nobuyasu a lokacin da ya koma Fadar Hamamatsu acikin shekara ta 1570.