Kanda was considered the heart of Edo culture, the nearly two and a half centuries of rule by the Tokugawa shogunate until the late 1860s. Edo, the Tokugawa capital, is today's Tokyo. Kanda was considered the heart of Edo culture, the nearly two and a half centuries of rule by the Tokugawa shogunate until the late 1860s. Edo, the Tokugawa capital, is today's Tokyo.