The Crimean Oblast (Ukrainian: Кримська область, romanized: Krymsjka oblastj; Russian: Крымская область, romanized: Krymskaja oblastj; Crimean Tatar: Qırım vilâyeti) was an oblast (province) of the former Russian SFSR (1945–1954) and Ukrainian SSR (1954–1991) within the Soviet Union. Its capital was the city of Simferopol.