Battle of Deir ez-Zor (September–November 2017)

Part of the Syrian Civil War,
the Siege of Deir ez-Zor (2014–17),
and the Russian military intervention in the Syrian Civil War

The situation in Deir ez-Zor, as of 4 November 2017 Syrian Government control Islamic State of Iraq and the Levant control Syrian Democratic Forces control Confrontation or unclear situation

Date

14 September 2017 – 4 November 2017
(1 month and 3 weeks)

Location

Deir ez-Zor, Deir ez-Zor Governorate, Syria

Result

Decisive Syrian Government victory

On 17 October, the Syrian Army secured a perimeter surrounding the ISIL-controlled half of the city
On 3 November, the Syrian Arab Army completely recaptured the city, before recapturing the rest of the outskirts on 4 November

Belligerents

Syrian Arab Republic