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West Azerbaijan province is one of the 31 provinces of Iran, whose capital and largest city is Urmia. It is in the northwest of the country, bordered by Turkey, Iraq and Azerbaijan's Nakhchivan Autonomous Republic, as well as the Iranian provinces of East Azerbaijan, Zanjan, and Kurdistan. West Azerbaijan province is part of Region 3. It is separated from Armenia by Turkey's short border with the Azerbaijan Republic. The province covers an area of 39,487 km⁲, or 43,660 km⁲ including Lake Urmia.