Travelers are voting Hachiōji Castle, Edo Castle and Kawagoe Castle as the best of 5 castles in Tokyo. There are 1 castle in Tsukuba Area a city just 70 km from Tokyo and 4 castles in Kumagaya which is 74 km distant. The most popular of these are Sekiyado Castle in Tsukuba Area and Kanayama Castle in Kumagaya. You can find 137 Castle in the country of Japan and Osaka Castle is our members favorite Castle in all of Japan. Want more? Check out our map of castles in Tokyo.