Nakhchivan is the capital and largest city of the eponymous Nakhchivan Autonomous Republic, a true exclave of Azerbaijan, located 450 km (280 mi) west of Baku. The municipality of Nakhchivan consists of the city of Nakhchivan, the settlement of Əliabad and the villages of Başbaşı, Bulqan, Haciniyyət, Qaraçuq, Qaraxanbəyli, Tumbul, Qarağalıq, and Daşduz. It is spread over the foothills of Zangezur Mountains, on the right bank of the Nakhchivan River at an altitude of 873 m (2,864 ft) above sea level.