Donetsk Oblast
Ukrainian oblast; partially occupied, primary land battlefield of the war since 2022.
Last refreshed: 1 April 2026
Is Ukraine's Fortress Belt in Donetsk the war's decisive defensive line?
Latest on Donetsk Oblast
- Who controls Donetsk Oblast?
- Russia controls the eastern and central parts of Donetsk Oblast, including Donetsk city. Ukraine holds the western third, including Pokrovsk, Sloviansk, Chasiv Yar, and Kramatorsk.Source: ISW
- What is the Fortress Belt in Ukraine?
- The Fortress Belt is a Ukrainian defensive line in western Donetsk Oblast. ISW assessed it as unlikely to fall to Russia in 2026 despite sustained offensive pressure through March.Source: ISW
- How intense is the fighting in Donetsk Oblast in 2026?
- Syrskyi reported 619 Russian ground attacks over four days in the Pokrovsk sector in March 2026. Daily engagements peaked at 163 on the Pokrovsk axis before falling to around 120 by late March.Source: Ukrainian General Staff
- What cities does Ukraine still hold in Donetsk Oblast?
- Ukraine holds Pokrovsk, Sloviansk, Kramatorsk, Chasiv Yar, and several smaller settlements in the western third of Donetsk Oblast.
Background
Donetsk Oblast is Ukraine's south-eastern region and the central battleground of the Russia-Ukraine war. Russia has declared its annexation of the oblast, though Ukraine controls its western third, including Pokrovsk, Sloviansk, Chasiv Yar, and Kramatorsk. The Fortress Belt running through western Donetsk Oblast has become the defining defensive geography of 2026: ISW assessed on 31 March 2026 that Russian forces are 'unlikely to seize the Fortress Belt in 2026' after daily engagements fell from a peak of 163 to around 120.
The oblast hosts several of the war's most contested positions: Hryshyne (seized by Russia in March 2026), Chasiv Yar, and the Pokrovsk-Dobropole axis where Russian 3rd Combined Arms Army elements have concentrated. Commander Syrskyi confirmed 619 ground attacks over four days in the Pokrovsk sector between 17 and 20 March 2026.
The oblast's pre-war population was around 4.1 million. Significant numbers have been displaced both internally and internationally. Russia announced its intention to seize all of Donetsk Oblast within two months in April 2026, a timeline most Western analysts consider highly optimistic given current engagement rates.
