Iraninfo-icon, Russiainfo-icon and Turkeyinfo-icon, guarantors of the Syriainfo-icon ceasefire, have reaffirmed their strong commitment to the Arab country's sovereignty and territorial integrity after a tripartite foreign ministerial meeting in Astana, Kazakhstaninfo-icon.

Foreign Minister Mohammad Javad Zarif and his Russian and Turkish counterparts, Sergei Lavrov and Mevlut Carusoglu, convened in the Kazakh capital to address the situation in Syria on Friday.

The city has been hosting talks aimed at finding a peaceful to the seven-year crisis in Syria.

The talks have featured the Syrian government and opposition's representatives, with the three states serving as guarantors. Tehraninfo-icon and Moscowinfo-icon side with Damascus, while Turkey takes part on behalf of the Syrian opposition.

At a turning point last year, the negotiations led to the establishment of four de-escalation zones across Syria.

In a joint statement issued after the meeting, Tehran, Moscow and Ankara "reaffirmed their string and continued commitment to the sovereignty and independence, unity and territorial integrity of the Syrian Arab Republic."

They also expressed satisfaction with the "concrete contribution of the Astana process to improvement of the situation in Syria during that last year, calling for continued "coordinated efforts" to make sure the reduction in violence in Syria would be "irreversible."

The meeting is expected to lay ground for a summit involving the presidents of the three countries in Istanbulinfo-icon on April 4.

The ministers were slated to focus on the situation in Eastern Ghouta, in the Idlib de-escalation zone and setting up a constitutional commission, among other issues.

The situation in Eastern Ghouta was expected to take center stage at the talks. The Syrian armyinfo-icon, backed by Russian air cover, is conducting an operation against the terrorists holed up in the Damascus suburb and, at the same time, evacuating civilians through humanitarian corridors.