The southern portion of the Caucasus region between Europe and Asia, extending from the Greater Caucasus to the Turkish and Iranian borders, between the Black and Caspian Seas. The area includes the Colchis Lowland, Kura Lowland, Talysh Mountains, Lenkoran Lowland, Caucasus Minor, and Javakheti-Armenian Uplands. All of Armenia is in Transcaucasia; the majority of Georgia and Azerbaijan, including the exclave of Naxcivan, fall within this area.