Turkey will host Iranian Foreign Minister Javad Zarif on June 14-15 ahead of a planned Astana summit to be held via videoconference. Zarif will be in Istanbul on June 14-15, Turkey's Foreign Ministry said in a statement.
"During the visit, all aspects of our bilateral relations will be discussed and views on regional and international issues will be exchanged," the ministry added.
Turkey has expressed concerns in a meeting with Russia and Iran over the acts by the YPG in eastern Syria to legitimize itself through fait accompli.
Foreign Minister Mevlüt Çavuşoğlu, Russian Foreign Minister Sergei Lavrov and Iranian Foreign Minister Javad Zarif came together in a teleconference on April 22 as the three guarantor countries under the Astana Process.
Turkey's presidential spokesperson İbrahim Kalın has said that changing borders of the Idlib de-escalation zone in northwestern Syria, as determined by Astana and Sochi agreements, is out of the question.
Speaking at a news conference on Feb. 6, Ibrahim Kalın said it is not possible for Turkey to accept any proposal of change regarding the de-escalation zone.