On 1 August 1925, the Yekaterinoslav Governorate administration was discontinued, and in 1926 the city of Yekterinoslav was renamed Dnipropetrovsk in honor of communist leader Grigory Petrovsky.Poroshenko signs laws on denouncing Communist, Nazi regimes, Interfax-Ukraine. 15 May 20Goodbye, Lenin: Ukraine moves to ban communist symbols, BBC News (14 April 2015)</ref> Before the introduction of oblasts in 1932, Ukraine comprised 40 okrugs, which had replaced the former Russian Imperial guberniya (governorate) subdivisions. In 1932 the territory of the Ukrainian SSR was re-established based on oblasts. The first oblasts were Vinnytsia Oblast, Kyiv Oblast, Odessa Oblast, Kharkiv Oblast, and Dnipropetrovsk Oblast. Soon after that in the summer of 1932 Donetsk Oblast was formed out of eastern parts of Kharkiv and Dnipropetrovsk.