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✦ History

Siege of Deir ez-Zor (2014–2017)

July 14, 2014 – September 10, 2017 · Deir ez-Zor

Result Syrian government victory

The Islamic State besieged government-held parts of Deir ez-Zor in eastern Syria for three years. Syrian and Russian forces broke the siege in 2017.

On the map Contemporaries

Syrian government

Islamic State

Syria

Hezbollah

Russia

Islamic State

Issam Zahr ad-Din military commander Daas Hassan Ali military commander

Sergei Surovikin military commander

Gulmurod Khalimov military commander

Strength and losses

Killed: 460–970

Strength: 5,000–15,000
Killed: 1,430–1,970

Units

National Defence Forces Russian Armed Forces Special Operations Forces (Russia) Syrian Armed Forces Syrian Army 17th Division (Syria) Syrian Republican Guard Russian Navy Russian Air Force Syrian Air Force