Okamoto Castle (岡本城, Okamoto-jō) was a Muromachi period Japanese castle located in what is now the city of Minamibōsō, Chiba Prefecture, Japan. The ruins have been protected as a National Historic Site since 2012 together with Inamura Castle as the Satomi clan castle ruins (里見氏城跡, Satomi-shi shiro ato).[1] | ||||||
Type: Hirayama-style Japanese castle | ||||||
Built: 1570 | ||||||
Builder: Satomi clan | ||||||