The Grand Steward's Secretariat, Imperial Household Agency, the Board of Chamberlains of the Imperial Household Agency, Imperial Household Archives, The Museum of the Imperial Collections ("Sannnomaru Shozokan" in Japanese), the Imperial Household Agency Kyoto Office and the Shosoin Office administer the imperial properties, which the nation owns.
皇室用財産は国有財産であり、宮内庁の各部局（宮内庁長官官房、宮内庁侍従職、宮内庁書陵部、三の丸尚蔵館、宮内庁京都事務所、正倉院事務所が管理する。