The Karabakh Plateau or Syunik Plateau (Armenian: Սյունիքի բարձրավանդակ, romanized: Syuniki bardzravandak, Azerbaijani: Qarabağ yaylası) is a volcanic plateau of the Lesser Caucasus, in Armenia and Azerbaijan, in the most eastern point of Armenian Highlands. It extends from the south of the Murovdag/Mrav range towards the East Sevan Range. (The Great Soviet Encyclopedia locates the plateau (Карабахское нагорье) between the Zangezur Mountains and the Karabakh Range.^[1]) The Hakari river (Akera, Akari, left tributary of the Aras) separates it form the Karabakh Range. The highest point is Dəlidağ (3616 m). It features a number of extinct volcanoes, the highest being Qızılboğaz (3581 m).