Saio or Itsuki no miko (the Priestess) was an unmarried princess of the blood or female relative of the Emperor who served as a shrine maiden at the Ise-jingu Shrine and the Kamo-jinja Shrine.
斎王（さいおう、いつきのみこ）は、伊勢神宮または賀茂神社に巫女として奉仕した未婚の内親王または女王(皇族)。