Yokosuka Castle
Yokosuka Castle (横須賀城, Yokosuka-jō) is a Japanese castle located in Ōsuka in the southern part of what is now the city of Kakegawa, Shizuoka,  Japan. It was built in the Sengoku period and was the capital of Yokosuka Domain under the Tokugawa shogunate of Edo period Japan. In 1981, the castle ruins were designated as a National Historic Site.