It then follows the eastern boundaries of the districts of Morava, Lepenica, Kragujevac, and Gruža, as far as the Dulenski Crni Vrh (hill 919), turning towards the Gledic Mountains and thence over the Krečane (hill 760) and Brzak (hill 822) up to the boundary of the Drina Banovina on Mount Kotlenik, near Crni Vrh (hill 768).