Because Ieyasu TOKUGAWA's inauguration as Shogun and Yoshinobu TOKUGAWA's restoration of Imperial rule (Taisei Hokan) took place [here], it is a site that marks both the beginning and the end of the Edo Shogunate.
徳川家康の将軍宣下と、徳川慶喜の大政奉還が行われ、江戸幕府の始まりと終焉の場所でもある。