Demin Yury A. RussiaIrkutskPedagogical Institute of the Irkutsk State University, 8 Nizhnyaya Naberezhnaya St., Irkutsk 664011, RussiaAssociate Professor at the Department of Soсial Economic SubjectsPh.D. in Historyyademin1980@yandex.ru Author's articles The Soviet Policy Towards the Former Tsarist Concessions in Iran (1921–1927): Regional and International Contexts