Tokyo is in Japan.
Edo . It was the seat of power for the Tokugawa shogunate , which ruled Japan from 1603 to 1868 . is a city located in the central part of the island of Honshu , Japan . Tokyo . Formerly known as Edo , it has been the de facto seat of government since 1603 when Shogun Tokugawa Ieyasu made the city his headquarters .