Deir ez-Zor clashes (2011–14)
2011–2014 Deir ez-Zor clashes |
Part of the Syrian Civil War
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Situation in Deir ez-Zor in March 2014
Syrian Government control
Opposition control
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Date |
26 November 2011 – 10 April 2014
(2 years, 4 months, 2 weeks and 1 day) |
Location |
Deir ez-Zor, Syria |
Result |
Stalemate and ISIL offensive:
- Rebels capture Abu Kamal, Mayadin, al-Busayrah, Hajin, al-Tabni and al-Kubar
- Rebels besiege the Deir ez-Zor airport
- By May 2013, rebels controlled about half of Deir Ez-Zor city while the Syrian Arab Army controlled the military installations of Deir al-Zor and most of al-Thayem oil field
- The Syrian Army launched a counter-attack on the previously lost positions later in 2013
- By December 2013, nearly all of the oil fields in the province had fallen under rebel control
- On 10 February 2014, ISIS retreated from Deir ez-Zor city, only to launch a large-scale offensive in the province two months later
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Belligerents |
Syrian Arab Republic
Liwa Abu al-Fadhal al-Abbas (rebel claim) |
Free Syrian Army/SNC-aligned units
 Mujahideen and Islamists
- Harakat Abna’ al-Islam
- Jaysh Ahl as-Sunna wa-l-Jama’a
- Jabhat al-Jihad wal-Bina’ al-Islamiyya
Radical jihadists
Supported by:
al-Okaidat clan (majority)
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Islamic State of Iraq and the Levant (Islamic State of Iraq until April 2013) Supported by:
al-Bakkir clan
al-Okaidat clan (minority)
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Commanders and leaders |
Maj. Gen. Issam Zahreddine (Republican Guard Brigade 104 commander)
Maj. Gen. Jameh Jameh † (Head of Deir ez-Zor Military Intelligence)
Kifah Moulhem (Battalion commander)
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Mohammad Abboud (SNC commander for eastern Syria)
Abu Alaith (Liwa Ahfad Mohammad commander)
Abu Mohammad al-Julani (leader of al-Nusra Front)
Abu Maria Al-Qahtani (Sharia leader for al-Nusra Front)
Abu Salam Tabsah (al-Nusra Front commander)
Mohammad al-Chati "Abu Hamza" † (leader of Liwa al-Fatihoun min Ard ash-Sham)
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Abu Bakr al-Baghdadi (Caliph of ISIL)
Amer al-Rafdan (ISIL prefect of Deir ez-Zor)
Ali Kmaz † (ISIL field commander)
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Units involved |
See Units |
See Units |
Military of ISIL
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Strength |
9,000 soldiers and policemen, 150+ tanks |
17,000 fighters (opposition claim, all withdrawn)
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3,000+ fighters |
Syrian Government control
Stalemate and ISIL offensive:
Syrian Arab Republic
Free Syrian Army/SNC-aligned units

Mujahideen and Islamists
...
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