Sunpu Castle
…was built on this site. After Imagawa Yoshimoto was defeated at the Battle of Okehazama in 1560, Suruga Province passed to the Takeda clan, and then to Tokugawa Ieyasu, who had spent his youth in Sunpu as Yoshimoto's hostage. In 1585, Ieyasu constructed a new Sunpu Castle on the approximate site of the former fortified…