Common Questions

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.
When will Russia take all of Donetsk Oblast?: Russia stated its intention to seize all of Donetsk Oblast within two months as of April 2026. ISW assesses this timeline as highly unlikely given current engagement rates and Ukrainian defensive strength.Source: ISW
What is the Donetsk Fortress Belt and is it holding?: The Fortress Belt is a chain of Ukrainian defensive fortifications running through western Donetsk Oblast. ISW assessed in March 2026 that Russian forces are unlikely to breach it in 2026. Despite 163 attacks per day at peak, Russia's daily engagement count has since fallen while its casualty rate has risen.Source: event
Where is Snizhne and why did Ukraine strike it?: Snizhne is a city in eastern Donetsk Oblast under Russian control. Ukraine struck the Sever-Akhmat regiment's drone training facility there on 20-21 May 2026, killing 65 cadets and one instructor. It was one of the highest-casualty precision strikes against a Russian military training site in the war.Source: event
How much of Donetsk Oblast does Russia control in 2026?: Russia controls roughly two-thirds of Donetsk Oblast, including Donetsk city and most eastern and central sectors. Ukraine holds the western third. Despite Gerasimov's public claim of 1,700 sq km of 2026 gains across all sectors, ISW satellite verification finds only around 340 sq km.Source: event

Background

Donetsk Oblast is Ukraine's south-eastern region and the central battleground of the Russia-Ukraine war since 2014. Russia has declared annexation of the oblast, though Ukraine controls its western third, including Pokrovsk, Sloviansk, Chasiv Yar, and Kramatorsk. The pre-war population was around 4.1 million. The oblast hosts several of the war's most contested positions and has seen the highest sustained ground-combat intensity of any theatre in Europe since World War Two.

The Fortress Belt running through western Donetsk Oblast became 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. Commander Syrskyi confirmed 619 ground attacks over four days in the Pokrovsk sector between 17 and 20 March 2026, with the Hryshyne position seized in March.

By early May 2026, Russia's daily kill rate had risen 6.5% to roughly 1,115 even as engagement counts contracted. ISW cross-checked Gerasimov's claim of 1,700 km² of 2026 territorial gain against satellite verification and found 340 km² across all sectors, a 5:1 exaggeration ratio. Russia publicly committed to seizing all of Donetsk Oblast within two months in April 2026, a timeline most Western analysts consider optimistic given actual engagement rates.

On 20-21 May 2026, Ukraine struck the Sever-Akhmat regiment's drone training facility in Snizhne, Donetsk Oblast, killing 65 cadets and one instructor in a precision strike. In the same week (19-26 May), Russia net-lost 38 square miles of Ukrainian territory overall, its largest single-week loss of 2026, reversing the trajectory Russia had publicly declared.

How the World Sees Them

Russia

Moscow publicly committed to seizing all of Donetsk Oblast, framing it as completing the liberation of Russian-claimed territory; operational progress has fallen well short of that rhetoric.

Ukraine

Kyiv has prioritised the Donetsk Fortress Belt as its main defensive priority for 2026, reinforcing positions around Pokrovsk and Chasiv Yar against Russia's highest-intensity ground assaults.

Western analysts

ISW and allied analysts note that Russian casualty rates in Donetsk Oblast are unsustainably high; the offensive's intensity reflects political pressure to show progress, not operational strength.