ENThis article analyses Nikolai Ustryalov’s concept of "Russian Lithuania," which presents the history of medieval Lithuanian as part of the Russian past. The author examines the career of S. S. Uvarov – Minister of National Enlightenment in the 1830–1840s, as well as other factors behind the official narrative about the "Russian character" of the Grand Duchy of Lithuania. The paper stresses the significance of Ustryalov’s concepts in the Russian historiography in the first half of 19th century.