Its major mountains include Avala (511 m), Kosmaj (626 m), Venčac (659 m), Bukulja (696 m), Rudnik (1,132 m), Ješevac (902 m), Vujan (856 m), Kablar (889 m), Gledić mountains (922 m), Juhor (774 m), Crni Vrh (Jagodina) (707 m), Kotlenik (749 m), the latter including Gruža mountain and Ljubić mountain.