Foreign Minister Sinirlioğlu went to Vienna to attend the meeting convened on 14 November 2015 for the purpose of putting an end to the conflict in Syria.

In the meeting, Foreign Ministers of USA, Germany, United Arab Emirates, China, France, Iraq, Iran, Italy, Qatar, Lebanon, Egypt, Russia, Saudi Arabia, Oman and Jordan; and High Representative of the EU for Foreign Affairs and Security Policy Federica Mogherini, Arab League’s Secretary-General Nabil el Araby and UN Special Envoy to Syria, Staffan de Mistura, were present.