Edo Castle江戸城

Edo Castle江戸城 - Credit: Wikimedia Commons

is a flatland castle that was built in 1457 by Ōta Dōkan in Edo, Toshima District, Musashi Province. In modern times it is part of the Tokyo Imperial Palace in Chiyoda, Tokyo, and is therefore also known as . Read more on Wikipedia

type: military installation
date from: 1457

Source: en.wikipedia.org