Iran–Syria relations
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Syria established diplomatic relations with Pahlavi Iran after independence, but it was not until the Iranian revolution that Alawite-led Syria established close ties with Iran.[1] Under the Ba'athist rule, Syria was usually called Iran's "closest ally".[2] Iran and Syria had a strategic alliance ever since the Iran–Iraq War, when Syria sided with non-Arab Iran against neighbouring Ba'ath-ruled Iraq.[3] The two countries shared a common animosity towards then-Iraqi president Saddam Hussein and coordination against the United States and Israel until the fall of the Assad regime after the 2024 Syrian opposition offensives were completed on December 8th.
During the
With the collapse of the Assad regime in December 2024, the Iranian embassy was ransacked, and Iranian diplomats and Quds Force commanders fled the country.[7] This event has been described as a significant blow to Iran's Axis of Resistance.[8][9][10][11]
History and overview
Ancient history
In 539 BCE, Cyrus the Great, King of Achaemenid Persians, took Syria as part of his empire, to become known as Eber-Nari.[12] The Persian rule lasted until Alexander the Great conquered the region in 333–332 BCE. Later on, Khosrow II of the Sasanian Empire managed to control the region including Syria from 609 to 628 AD during their war against the Byzantine Empire.[13]
Medieval history
Buyid Iran and the Hamdanid Emirate of Syria and Jazira vied for dominance in the Middle East. The Iranians were able to expel the Hamdanids from Baghdad. By the end of the 10th century, Syria and Jazira were under Fatimid, Iranian, or Eastern Roman influence.
Iran under the Aq Qoyunlu and Syria under the Mamluk Sultanate continued to compete for Upper Mesoptamia until the Ottoman Empire took over.
Prior to 1979
Following the independence of Syria in 1946, Iran established a consulate there. Both countries established diplomatic relations on 12 November 1946 when has been accredited Envoy Extraordinary and Plenipotentiary of Iran to Syria with residence in Beirut Mr. Zein-el-Abdine Rahnema.[14]
In 1953, Iranian Prime Minister Mohammad Mossadegh and Syrian President Fawzi Selou signed the Syria-Iran Friendship Treaty, but the agreement soon fell apart after both leaders were overthrown.[1]
During the Pahlavi dynasty, especially since the establishment of the Ba'athist Iraq which was considered an enemy by both countries, the two countries have had favorable relations and cooperation despite different views of the ruling regimes. Important examples of such relations include the support of Iran for United Nations Security Council Resolution 316 urging Israel to free five Syrian officers captured in Lebanon, and Hafez al-Assad's four-day trip to Tehran in 1975 and the signing of cooperation agreements between the two countries, and the president tried to talk the shah into distancing himself from Israel.[1]
However, after the improvement of Iran–Iraq relations in late 1970s, Hafiz al-Assad voiced support for Iranian dissidents, contacting opposition groups via their contacts abroad such as Mostafa Chamran and Musa al-Sadr and undertaking to train Iranian guerrillas.
1979–1990s
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Iran–Syria relations improved after the
The relationship between Iranian and Syrian governments has sometimes been described as the
One of the first major fronts of the Iran–Syria alliance was Iraq. During the
The second major area of cooperation between the two countries was in Lebanon during the Lebanese Civil War. Iran's Islamic Revolutionary Guard Corps, with Syrian assistance, established and trained the Hezbollah group to spread Khomeini's ideology and repel the 1982 Israeli invasion of southern Lebanon. Iran and Syria viewed Hezbollah as a useful lever against Israel and a way to establish greater influence in Lebanese affairs.[21]
Iran and Syria had occasional differences in policy. In the mid-to-late 1980s, Syria maintained support for the non-Islamist
2000s onwards
The alliance deepened in 2000 when Hafez's son Bashar al-Assad took over as President of Syria. Subsequent events like the Iraq War, the "Cedar Revolution", and the 2006 Lebanon War brought the countries closer together. Syria became increasingly dependent on Iran for political and military support, as Assad was unable to maintain positive ties with other Arab powers during this time.[23]
On 16 June 2006, the defense ministers of Iran and Syria signed an agreement for military cooperation against what they called the "common threats" presented by Israel and the United States. Details of the agreement were not specified, however the Iranian defense minister Najjar said "Iran considers Syria's security its own security, and we consider our defense capabilities to be those of Syria." The visit also resulted in the sale of Iranian military hardware to Syria.[24] In addition to receiving military hardware, Iran has consistently invested billions of dollars into the Syrian economy.[25]
Currently, Iran is involved in implementing several industrial projects in Syria, including cement factories, car assembly lines, power plants, and silo construction. Iran also plans to set up a joint Iranian–Syrian bank in the future.
In February 2010, President Ahmadinejad visited Damascus to sign a bilateral deal to remove travel visas between the two states, amid calls from U. S. Secretary of State Hillary Clinton to Syria to distance itself from both Iran and Shiite militia Hezbollah.[28]
Syrian Civil War

During the
Iran reportedly assisted the Syrian government sending it riot control equipment, intelligence monitoring techniques and oil.
In late June 2011, the
Syrian dissident and academic Murhaf Jouejati argued that Iran's contingency plan for its interests in Syria, in case the current pro-Iran government is overthrown, is to ethnically fragment the country in such a way that Iran could support an independent Alawite state.[35]
Iran has been sending troops to fight in the Syrian Civil War. These troops have served in roles as advisors, security personnel, special forces, technicians, and frontline troops. Several high-ranking Iranian troops, including officers and generals, have been killed in combat in Syria.[36] According to DW, Iran has been fighting against the factions in Syria, specifically the moderate and extremist factions, as well as I.S both directly and indirectly.[37] According to some estimates, Iran controlled over 80,000 pro-Assad Shi'ite fighters in Syria.[38][39]
Iran's President Hassan Rouhani stated on 3 August 2013, his inauguration day, that Iran's alliance with Syria would continue.[40]
In June 2017, Iran
In January 2019, Iranian Vice President Eshaq Jahangiri and Syrian Prime Minister Imad Khamis signed 11 agreements and memoranda of understanding in Damascus, in order to bolster a "long-term strategic economic cooperation".[44]
On May 8, 2022, Syrian President Bashar al-Assad arrived in Iran for discussions with Supreme Leader Ayatollah Ali Khamenei.[45]
In September 2022, Israeli defense minister Benny Gantz said Iran is using proxy facilities in Syria to develop advanced missile systems and distribute them to its regional allies. Gantz revealed a map of facilities including an advanced underground facility in Masyaf that he described as significantly dangerous to the region.[46]
During the Syrian Civil War, Iran provided oil to Syria at subsidized prices. In January 2023, Iranian officials reportedly told Syria they would no longer be able to buy Iranian oil at below market prices.[47]
In May 2023, President Ebrahim Raisi went to Damascus, to be a first visit of an Iranian president since the emergence of civil war. However, the trip aimed to enhance cooperation in energy and electricity sectors.[48]
Impact of the fall of Assad regime on Iran
On 1 December 2024, Iranian Foreign Minister
After rebels captured Damascus on December 8, 2024, the Iranian embassy was ransacked, with posters of Iran's leaders, such as Ayatollah Khamenei, Khomeini (who called Syria: “the golden ring of the resistance chain in the region.”),[52] and figures like Hassan Nasrallah and Qassem Soleimani, torn down and scattered across the floors.[53] Many Syrians blamed Iran and Hezbollah for supporting Assad's oppression.[54] Iranian diplomats and Quds Force commanders fled the country.[53] Iran called for negotiations with Syria's new rulers.[53]
The collapse of the Assad regime, a key ally of the Islamic Republic and a longstanding member of the Iranian-led "Axis of Resistance," has been described as a significant blow to the network and a crucial step toward its disintegration.[55][56][57][58] Iran's foreign minister stated that "The resistance front has had a really hard year."[57] Anwar Gargash, A senior UAE diplomat had stated that "Iran’s deterrence thinking is really shattered by events in Gaza, by events in Lebanon and definitely by developments in Syria".[52] The fall of Assad's regime led to unusual domestic criticism of Iran's regional strategy among skeptics who demanded to know why Iran had invested so much in the Axis of Resistance instead of within their own country.[59] As of January 2025, Syria bans Iranian citizens and goods from entering its territory.[60]
Cultural relations

Iran opened its first cultural center in Syria in 1983, located in the
While Iran has shown an interest in spreading its culture to Syria, Syria has not been as motivated to spread its culture to Iran, as it is already common for Iranians to study Arabic. It was only in 2005 that Syria opened its first cultural center in Iran, which has become popular with Iranians seeking to improve their Arabic.[61]
The largest cultural ties between Iran and Syria come from
Position on territorial claims involving Iran
At an Arab League summit in May 2024, Syria backed the United Arab Emirates' claim to Abu Musa and the Greater and Lesser Tunbs over the Iranian one, drawing criticism in Iranian state media.[63]
See also
- Arab–Iran relations
- Axis of evil
- Iran-Iraq-Syria pipeline
- Iran–Lebanon relations
- Iranian involvement in the Syrian Civil War
- Iranians in Syria
- Shia crescent
- State Sponsors of Terrorism
- Hezbollah–Iran relations
References
- ^ a b c Sami, Moubayed. "A look at the short-lived 1953 Syria-Iran Friendship Pact". Majalla. Retrieved 2025-01-02.
- ^ Nada Bakri, "Iran Calls on Syria to Recognize Citizens' Demands", The New York Times, 8 August 2011
- ^ a b c Goodarzi, Jubin (11 October 2010). "Iran and Syria". The Iran Primer. U.S. Institute of Peace. Archived from the original on October 28, 2010. Retrieved 17 December 2013.
- ^ Fulton, Will (May 2013). "Iranian Strategy in Syria" (PDF). A joint Report by AEI's critical threats project & Institute for the Study of War. Archived from the original (PDF) on 24 September 2015. Retrieved 7 May 2013.
- ^ "Iran, Syria talk to cooperate on fields of oil & gas". IRNA English. 2022-09-01. Retrieved 2022-09-02.
- ^ Betz, Bradford (1 September 2022). "Iran, Syria consider forming joint oil and gas company, state media says". Fox News.
- ^ "Iran in a 'position of unprecedented weakness' after the fall of Assad in Syria". France 24. 2024-12-09. Retrieved 2024-12-10.
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- ^ Rubin, Alissa J. (2024-12-08). "With Assad's Fall, Iran's 'Axis of Resistance' Unravels". The New York Times.
- ^ "Fall of Assad in Syria deals serious blow to Iran's axis of resistance". The Washington Post. 2024-12-10.
- ^ Khatib, Lina (2024-12-12). "Assad's Fall Is the Middle East's 1989". Foreign Policy. Retrieved 2024-12-10.
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- ^ Heads of Foreign Missions in Syria, 1947. Syria from Foreign Office files 1947-1956. 1947. p. 34. Retrieved 30 September 2023.
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- ^ Wallsh, David (Summer 2013). "Syrian Alliance Strategy in the Post-Cold War Era: The Impact of Unipolarity". The Fletcher Forum of World Affairs. 37 (2). Archived from the original on 2017-10-11.
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