Torkamanchay (Azerbaijani: Türkmənçay; Persian: تركمانچائ‎; also Romanized as Torkamānchāy, Torkamān Chāy, Torkmancāy, Turkmanchai, Turkemanchay, Turkomanchay, Turkmānchāi, Torkamān Chāy, Torkamānchāi, and Turcoman Chie; also known simply as Torkamān) is a city in and the capital of Torkamanchay District, in Meyaneh County, East Azerbaijan Province, Iran. A suburb of Mianeh, it is well known for the Treaty of Turkmenchay of 1828, which concluded the last Russo-Persian War.