- The Nakhchivan Autonomous Republic (Azerbaijani: Naxçıvan Muxtar Respublikası, pronounced [nɑxtʃɯˈvɑn muxˈtɑɾ ɾesˈpublikɑsɯ]) is a landlocked exclave of the Republic of Azerbaijan. The region covers 5,502.75 km2 (2,124.62 sq mi) with a population of 459,600. It is bordered by Armenia to the east and north, Iran to the southwest, and Turkey to the west. It is the sole autonomous republic of Azerbaijan, governed by its own elected legislature.