. . . "Principality of Upper Tao" . . "Upper Tao" . . "Tao (historical region)" . "Tao (historical region)" . "Principality of Tao" . . . "Principality of Lower Tao" . "Tao" . "Prince of Tao" . "Panaskerti" . "northern or Hither Tao" . . "Hither Tao" . . "Lower Tao" . .