Sverdlovsk Oblast (Russian: Свердловская область, romanized: Sverdlovskaya oblastʹ, IPA: [svʲɪrdˈlofskəjə ˈobləsʲtʲ]) is a federal subject (an oblast) of Russia located in the Ural Federal District. Its administrative center is the city of Yekaterinburg, formerly known as "Sverdlovsk". Its population is 4,268,998 (according to the 2021 Census).