According to De Administrando Imperio (948–952), in chapter 35, Diokleia (Διοκλεία) included the "large, inhabited cities" of Gradetai, Nougrade, and Lontodokla.
De Administrando Imperio (948–952) (DAI) järgi hõlmas Diokleia (Διοκλεία) "suuri, asustatud linnu": Gradetai, Nougrade ja Lontodokla.