🌐EnglishEnglishTürkçeРусскийEntityQ4334188· pop 5· linked from 31 articlesOltu Okrugdistrict of Kars Oblast, Russian EmpireConnectionsSaint Petersburg GovernorateEntityMuslimEntityCategories1878 establishments in the Russian Empire1917 disestablishments in RussiaCaucasus Viceroyalty (1801–1917)Governorates of the CaucasusHistory of Ardahan ProvinceHistory of Erzurum ProvinceHistory of Kars ProvinceKars oblastModern history of ArmeniaSoviet Union–Turkey relationsStates and territories disestablished in 1917States and territories established in 1878