The Museum of the Imperial Collections Sannomaru-Shōzōkan (三の丸尚蔵館) is located on the grounds of the East Garden of Tokyo Imperial Palace. It showcases a changing exhibition of a part of the imperial household treasures.

The Tokyo Imperial Palace is the main residence of the Emperor of Japan. It is a large park-like area located in the Chiyoda district of the Chiyoda ward of Tokyo and contains several buildings including the Fukiage Palace where the Emperor has his living quarters, the main palace where various ceremonies and receptions take place, some residences of the Imperial Family, an archive, museums and administrative offices.