Factions & Groups
Groups & Factions
Documentation of armed factions and regime military units in the Syrian conflict — from rebel groups to regime forces and militias.
21 documented groups
Opposition & Rebel Groups
13 groups
Ahrar al-Sham
أحرار الشام
Founded: 2011-11
Ahrar al-Sham (Free Men of Syria) was one of the largest and most influential Islamist armed factions in the Syrian conflict, founded in late 2011 in Idlib by Hassan Aboud and a core group of Salafi scholars and activists released from Sednaya Prison after the 2011 amnesty. At peak strength it claimed 10,000-20,000 fighters. Ahrar al-Sham occupied a unique ideological space between the FSA and al-Qaeda: Islamist in orientation, with a Salafi religious framework, but committed to working with other Syrian factions including secular ones. It was backed by Qatar and Turkey. In September 2014, a devastating bomb explosion at a command meeting in northern Idlib killed Hassan Aboud (Abu Abdullah al-Hamawi) and most of Ahrar al-Sham's founding leadership — over 40 senior commanders. The group recovered under new leadership but was gradually marginalized by HTS after 2017.
Read full journey →Army of Conquest
جيش الفتح
Founded: 2015-03-24 — 2016
The Army of Conquest was a major rebel joint operations room formed on March 24, 2015, uniting the largest Islamist factions in northwest Syria — primarily Jabhat al-Nusra (al-Qaeda), Ahrar al-Sham, Jund al-Aqsa, and others. Within days of its formation it captured Idlib city — the only provincial capital rebel forces ever fully seized during the Syrian war. It drove government forces from nearly all of Idlib Governorate by June 2015. Backed by Qatar, Turkey, and Saudi Arabia, it represented the high-water mark of opposition military power in northern Syria.
Read full journey →Faylaq al-Sham
فيلق الشام
Founded: 2014-12
Faylaq al-Sham (Sham Legion) was established in December 2014 through the merger of several Muslim Brotherhood-affiliated and moderate Islamist factions in northern Syria, primarily from Hama and Idlib. Backed by Turkey and with significant Qatar funding, it became one of the larger factions in the Turkish-supported spectrum of the Syrian opposition. Faylaq al-Sham participated in the Turkish operations against ISIS and later the SDF. It joined the Syrian National Army structure in 2017. The group was known for relatively moderate Islamic stance compared to HTS and played a significant role in the Turkish-controlled areas of northern Syria.
Read full journey →Free Syrian Army
الجيش السوري الحر
Founded: 2011-07-29
The Free Syrian Army was the first major armed opposition group formed by defecting Syrian Arab Army officers and soldiers after the Assad regime violently suppressed the 2011 uprising. Founded on July 29, 2011, by Colonel Riyad al-Asaad from Hatay, Turkey, the FSA became the umbrella for dozens of disparate armed factions across Syria. At its peak in 2012-2013 it claimed 50,000-70,000 fighters, though the actual unified command was fragile. The FSA was backed by Turkey, Qatar, Saudi Arabia, and the US. It fought primarily in Daraa, Idlib, Aleppo, Homs, and the Damascus suburbs. Internal divisions, defections to Islamist groups, and competition from better-funded jihadist factions gradually weakened the FSA. By 2013, much of its membership had joined Jabhat al-Nusra, Ahrar al-Sham, or Jaish al-Islam. Turkey reconstituted FSA remnants as the 'Syrian National Army' (SNA) after 2017.
Read full journey →Hayat Tahrir al-Sham
هيئة تحرير الشام
Founded: 2012-01-23
Hayat Tahrir al-Sham (HTS) began as Jabhat al-Nusra, the Syrian branch of al-Qaeda, established in January 2012 by Ahmad al-Sharaa (Abu Mohammad al-Jolani) on orders from Abu Bakr al-Baghdadi. It became the most effective fighting force against Assad, controlling significant territory in Idlib, Aleppo, and Daraa. After a public split with ISIS in 2013 and formal separation from al-Qaeda in 2016, al-Nusra rebranded as Jabhat Fateh al-Sham then HTS in 2017. Under al-Sharaa's leadership, HTS consolidated control over Idlib province, eliminated rival factions (including Ahrar al-Sham, Nour al-Din al-Zenki, and Turkish-backed groups), and ran a de facto government — the Syrian Salvation Government. HTS led the surprise December 2024 offensive (Operation Deterrence of Aggression) that overthrew Bashar al-Assad in 11 days, ending 54 years of Assad family rule. Al-Sharaa became Syria's de facto leader and president of the transitional government.
Read full journey →Islamic Front
الجبهة الإسلامية
Founded: 2013-11-22 — 2015
The Islamic Front was Syria's largest non-jihadist Islamist rebel coalition, formed on November 22, 2013 by merging seven major factions including Ahrar al-Sham, Jaish al-Islam, Suqour al-Sham, Liwa al-Tawhid, Liwa al-Haqq, Ansar al-Sham, and the Kurdish Islamic Front. At its peak it claimed 40,000 to 75,000 fighters. It explicitly rejected democracy and secularism in favor of Sharia governance, positioning itself between the secular FSA and the jihadist ISIS/al-Nusra. The coalition fragmented through 2014–2015 and was superseded by the Army of Conquest.
Read full journey →Jaish al-Islam
جيش الإسلام
Founded: 2013-09-29
Jaish al-Islam (Army of Islam) was the dominant armed faction in Eastern Ghouta and the Damascus suburbs, established by Zahran Alloush in September 2013 through the merger of Liwa al-Islam and several other Damascus-area factions. Backed primarily by Saudi Arabia, it was among the most powerful rebel factions outside Idlib. Jaish al-Islam was responsible for documented war crimes including the use of Alawite civilian hostages as human shields in cages in August 2015, forced disappearances of political activists including Razan Zaitouneh, and summary executions. The faction was besieged in Eastern Ghouta throughout 2013-2018. Zahran Alloush was killed in a Russian airstrike on December 25, 2015. After years of siege and Russian-guaranteed safe passage agreements, Jaish al-Islam evacuated Eastern Ghouta to northern Syria in April 2018 following the Assad regime's chemical attack on Douma.
Read full journey →Liwa al-Tawhid
لواء التوحيد
Founded: 2012-06
Liwa al-Tawhid (Brigade of Monotheism) was the dominant FSA-aligned Islamist faction in Aleppo, founded in June 2012 by Abdulqadir Saleh (known as Hajji Marea or Abu Abboud). The brigade was formed through the merger of a dozen smaller Aleppo-area factions and led the rebel push into Aleppo city in July 2012. At its peak, Liwa al-Tawhid had approximately 8,000-10,000 fighters and controlled significant parts of eastern Aleppo. Abdulqadir Saleh was killed in a regime airstrike on November 18, 2013. After his death, the brigade fragmented and many commanders either merged with HTS/al-Nusra or became part of Turkish-backed factions.
Read full journey →Mujahideen Army
جيش المجاهدين
Founded: 2014-01 — 2017-01
The Mujahideen Army was formed in January 2014 in Aleppo specifically as an anti-ISIS and anti-Assad force, drawing from several Aleppo-area factions including Division 19 and the Fastaqim Union. It received US TOW missiles and Saudi support, dominated the western Aleppo countryside, and was one of the moderate Islamist factions the US tried to build up as an alternative to jihadist groups. In January 2017, HTS forces overran all its positions in a single night.
Read full journey →Nour al-Din al-Zenki Movement
حركة نور الدين زنكي
Founded: 2011 — 2019
The Nour al-Din al-Zenki Movement was a major Aleppo-based rebel faction, named after the medieval Emir of Aleppo Nur ad-Din Zangi. Initially receiving direct US military support including TOW anti-tank missiles, the group radicalized significantly — becoming internationally notorious in July 2016 when its fighters filmed and posted online the beheading of a Palestinian child, Abdullah Tayseer Al Issa, in Aleppo. The US subsequently cut off its support. The group was nearly destroyed by HTS offensives in 2019.
Read full journey →People's Protection Units (YPG)
وحدات حماية الشعب (YPG)
Founded: 2004-01-01
The People's Protection Units (YPG) is the armed wing of the Democratic Union Party (PYD) in northern Syria — the dominant Kurdish political-military force in the region known as Rojava. Founded in 2004 as a local self-defence force and reorganised at scale in July 2012 as Syrian government forces withdrew from Kurdish areas, the YPG became the central ground force of the US-led coalition's campaign against ISIS from 2014 onward. Together with the Women's Protection Units (YPJ), it formed the core of the Syrian Democratic Forces (SDF) established in October 2015. Turkey designates the YPG as a terrorist organisation, equating it with the PKK. The US, EU, and most Western governments do not. The YPG holds territory across northern Syria's Autonomous Administration of North and East Syria (AANES).
Read full journey →Suqour al-Sham Brigades
كتائب صقور الشام
Founded: 2011-09 — 2025-01-29
Suqour al-Sham was one of the largest rebel factions in northwestern Syria, founded in September 2011 in Sarjeh, Jabal al-Zawiya, Idlib Governorate by Ahmad Abu Issa after his brothers were killed by regime forces. Initially one of the more moderate Islamist factions — Abu Issa publicly stated he favored elections and full minority rights — the group hardened ideologically after joining the Islamic Front in November 2013. It eventually merged into Ahrar al-Sham in March 2015, then briefly joined the Army of Conquest before dissolving into the new Syrian Army after Assad's fall in January 2025.
Read full journey →Syrian Democratic Forces
قوات سوريا الديمقراطية
Founded: 2015-10-11
The Syrian Democratic Forces (SDF) was established on October 11, 2015 as a multi-ethnic military coalition centered on the Kurdish People's Protection Units (YPG) and Women's Protection Units (YPJ). Founded with US backing as the primary ground force against ISIS in northeastern Syria, the SDF became the most effective anti-ISIS fighting force in Syria, capturing Raqqa (October 2017) and defeating the last ISIS territorial holdout at Baghouz (March 2019). The SDF's political arm, the Autonomous Administration of North and East Syria (AANES), governed territory with roughly 5 million residents. Turkey considers the SDF/YPG a terrorist organization due to its connections with the PKK (Kurdistan Workers' Party). The SDF's future became deeply uncertain after the fall of Assad in December 2024 and subsequent Turkish pressure.
Read full journey →Assad Regime Military Units
8 groups
4th Armored Division
الفرقة الرابعة المدرعة
Founded: 1970
The 4th Armored Division (Al-Raba'a) is the most powerful and feared unit of the Syrian Arab Army, commanded directly by Maher al-Assad, Bashar al-Assad's younger brother. Based in Damascus and equipped with the most advanced weapons in the Syrian arsenal including T-72 tanks and Scud missiles, the 4th Division served as the Assad family's praetorian guard — a force answerable to the family rather than to the regular military chain of command. The division was responsible for some of the worst atrocities of the Syrian civil war. It led the siege of Daraa in April-May 2011 — the first major military crackdown, in which tanks rolled into the city of the uprising's birth. The 4th Division participated in sieges of Baba Amr in Homs (2012), the Eastern Ghouta chemical attack operations (2013), and the prolonged siege of Daraya (2012-2016). Its soldiers and officers were documented committing mass executions, torture, and systematic looting. The division remained loyal through the entire war and survived the transition after December 2024.
Read full journey →Air Force Intelligence Directorate
إدارة المخابرات الجوية
Founded: 1969 — 2024-12
The Air Force Intelligence Directorate was one of Syria's four main intelligence agencies and among the most feared detention and torture apparatus of the Assad regime. Headquartered at Mezzeh Military Airport in southwest Damascus and led from 2009 to July 2019 by Major General Jamil Hassan, it imprisoned and tortured hundreds of thousands of Syrians during the civil war. German, French, and US authorities have issued arrest warrants for Jamil Hassan for crimes against humanity. Hassan fled Syria after Assad's fall and is believed to be in Russia or Lebanon as of 2026.
Read full journey →Ba'ath Brigades
ألوية البعث
Founded: 2012-07 — 2024-12
The Ba'ath Brigades were a pro-Assad paramilitary force formed in summer 2012 in Aleppo under the direct supervision of the Ba'ath Party's regional apparatus. Uniquely among major regime militias, they were composed almost entirely of Sunni Muslims — Ba'ath Party members fighting under Arab nationalist rather than sectarian motivation. Founded when rebels captured eastern Aleppo, they started with 5,000 members, grew to 7,000 by 2013, and eventually expanded across Syria. They were formally incorporated into the Syrian Arab Army structure by 2018 and dissolved after Assad's fall in December 2024.
Read full journey →Desert Hawks Brigade
لواء صقور الصحراء
Founded: 2013 — 2019
The Desert Hawks Brigade was a private pro-Assad militia founded in early 2013 by retired Syrian Special Forces General Mohammad Jaber. Initially created to protect oil and gas wells from ISIS and al-Nusra, it was funded by Jaber's own business interests and recruited former Special Forces veterans at high wages. It operated alongside Wagner Group forces in Palmyra, Deir ez-Zor, and the Syrian desert. The Clingendael Policy Brief noted the group was 'flying no more' by 2019–2020 after losing its oil revenues, and it was effectively defunct by that point.
Read full journey →National Defense Forces
قوات الدفاع الوطني
Founded: 2012-10
The National Defense Forces (NDF) were established in late 2012 with direct Iranian Revolutionary Guard Corps (IRGC) and Hezbollah support as a formalized paramilitary structure to supplement the depleted Syrian Arab Army. Modeled after Iran's Basij militia, the NDF recruited from loyal communities — Alawites, Christians, Druze, and some Sunnis in regime-controlled areas — and provided a local defense and enforcement structure. At peak, the NDF fielded an estimated 80,000-100,000 fighters organized into local units. The NDF was responsible for widespread looting in areas where they operated, acting as an armed extortion force rather than a military unit in many contexts. NDF commanders and units were documented by human rights organizations committing theft, kidnapping for ransom, checkpoint extortion, and sectarian killings. The NDF was Iran's primary investment in building a permanent loyal paramilitary force in Syria that would outlast the war.
Read full journey →Republican Guard
الحرس الجمهوري
Founded: 1976 — 2024-12
The Republican Guard was Syria's elite regime protection force, the only military unit permitted inside Damascus proper. Founded in 1976, it grew to 25,000–60,000 personnel at its peak. It was the personal instrument of the Assad family — Maher al-Assad (Bashar's brother) exercised dominant influence over it. Its units participated in the Daraya massacre of August 2012, where at least 270–700 civilians were killed. After Assad's fall in December 2024, it was dissolved and reconstituted under the new Syrian transitional Defense Ministry.
Read full journey →Shabiha
الشبيحة
Founded: 1980
The Shabiha (Arabic: 'Ghosts') are a paramilitary organization with roots dating to the 1980s when Assad regime loyalists — primarily Alawite men from the Assad family's coastal strongholds (Latakia, Tartus) — formed criminal protection rackets under the patronage of Assad family members, notably Rifaat al-Assad. When the Syrian uprising began in 2011, the regime mobilized Shabiha militias as a tool of terror and ethnic cleansing. The Shabiha were responsible for some of the worst massacres of the Syrian civil war, including the Houla Massacre (May 25, 2012) in which 108 civilians including 49 children were killed in close-range execution-style killings and knife attacks in rebel-sympathetic Sunni villages. The UN confirmed the Houla massacre was committed by regime forces and affiliated Shabiha. The Shabiha became infamous for their sectarian violence against Sunni communities — looting, rape, kidnapping, and targeted killings designed to terrorize entire communities into submission or flight.
Read full journey →Tiger Forces
قوات النمر
Founded: 2013
The Tiger Forces (Quwwat al-Nimr) were an elite Syrian Arab Army unit established around 2013 and commanded by General Suheil al-Hassan ('The Tiger'). Built as a rapid-response counterinsurgency force with Russian advisory support and air cover, the Tiger Forces became the Assad regime's most effective offensive ground unit. They led major regime offensives including the recapture of Palmyra (March 2016), operations in Aleppo (2016), and the Deir ez-Zor campaign (2017). Unlike the regular army, the Tiger Forces maintained discipline and effectiveness. However, they were documented committing war crimes including summary executions of captured fighters, torture, and using civilians as forced labor. In 2019, the force was formally restructured as the 25th Special Mission Forces Division. General Suheil al-Hassan was sanctioned by the US Treasury Department.
Read full journey →