Treaty of Turkmenchay
Quick Summary
The Treaty of Turkmenchay, signed in 1828 between Russia and Iran, concluded the Russo-Iranian War of 1826–28. This treaty resulted in Iran ceding its remaining territories in the Caucasus to the Russian Empire. It also established a Russian sphere of influence and permanently separated the Azeri-speaking region of the Caucasus from Iranian Azerbaijan.1
The treaty's terms included Iran recognizing Russian sovereignty over the Erivan Khanate and the Nakhchivan Khanate, and paying a large war indemnity to Russia. It also granted Russia favorable trade terms and the right to protect Russian subjects in Iran. The Treaty of Turkmenchay significantly altered the geopolitical landscape of the region, strengthening Russian dominance and marking a turning point in the relationship between Russia and Iran.1
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