abstract:, also known as , is a flatland castle that was built in 1457 by Ōta Dōkan. It is located in Chiyoda in Tokyo, then known as Edo, Toshima District, Musashi Province.
To our surprisetherewere even some signs in English regarding thehistoryofEdoCastle which stood here before the current ImperialPalacewas built on its grounds in the late 19th century.