Mitachi was composed of onhiroma (a hall), gokoshoin (small study), godaishoin (large study), ima (a living room), daidokoro (a kitchen), mitsubone (room for dignified lady) and goshuden (room for legal wife) and so on.
御館は、御広間・御小書院・御大書院・御居間・台所・御局・御守殿などから構成されていた。