The native name is ''Sakartvelo'' (საქართველო; "land of Kartvelians"), derived from the core central Georgian region of Kartli, recorded from the 9th century, and in extended usage referring to the entire medieval Kingdom of Georgia by the 13th century. The self-designation used by ethnic Georgians is ''Kartvelebi'' (ქართველები, i.e. "Kartvelians").