| an ancient region in NW Iran, formerly a part of Media. |
Atropatene
geographic region that comprises the extreme northwestern portion of Iran. It is bounded on the north by the Aras River, which separates it from independent Azerbaijan and Armenia; on the east by the Iranian region of Gilan and the Caspian Sea; on the south by the Iranian regions of Zanjan and Kordestan; and on the west by Iraq and Turkey. Azerbaijan is about 40,000 square miles (100,000 square km) in area.
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