INFO:

The former Edo castle, the seat of the Shogunate, was turned into the Imperial Palace in 1868. It was officially named "Kyujo (the palace castle)" from 1888 to 1948. Since then it has been called simply "Kokyo (Imperial Palace)".The Imperial Palace contains the Fukiage Omiya Palace, the former residence of Emperor Showa and Empress Kojun ; the Imperial Palace, where various functions are conducted; the Imperial Household Agency buildings; Momijiyama Imperial Cocoonery; Toukagakudo (Imperial Concert Hall); and the East Gardens of the Imperial Palace.