President Recep Tayyip Erdoğan will travel to Iran's capital Tehran on September 7, for the official visit.
President Erdoğan is expected to meet with Russian President Putin and Iranian President Rouhani in Tehran.
The three leaders had previously gathered in the Sochi city of Russia and Turkiye's Istanbul on the political solution process in Syria.
Astana process, the political solution in Syria and the sanctions of the United States are expected to be negotiated at the summit.
ILKHA