Attached to the Three Shrines in the Imperial Court, there are Shinka-den Hall, where the Niiname-sai festival is held; Ryokiden Hall, where mass or ceremony for the repose of a soul is held; and so on.
宮中三殿に付随して新嘗祭の行われる神嘉殿、鎮魂祭が行われる綾綺殿等がある。