Empress Kōjun
is a mausoleum complex of the Japanese Emperors in Nagabusa-machi, Hachiōji, Tokyo, Japan. Located within a forest in the western suburbs of Tokyo and named for the ancient Musashi Province, the site contains the mausolea of Emperor Taishō and Emperor Shōwa, as well as those of their wives, Empress Teimei and Empress Kōjun.