evidence: Nakhchivan - Nakhichevan Autonomous Republic The Nakhichevan Autonomous Republic , known simply as Nakhichevan, is a landlocked exclave of ► Azerbaijan . The 5,500 km² region borders ► Armenia (221 km), ► Turkey (9 km) and ► Iran (179 km). Its capital is Nakhichevan City, home to the Nakhichevan State University. Autonomous republic of Azerbaijan [...] Nakhichevan Autonomous Republic in Soviet Azerbaijan, 1930.