Iran's Foreign Minister Mohammad Javad Zarif and Turkish President Recep Tayyip Erdogan talked about a range of topics in Istanbul, including a plan for six-party cooperation among regional nations.

Zarif, who is in Turkey for talks with the country's top officials, had a meeting with Erdogan in Istanbul on Friday afternoon.

In the meeting, also attended by the Turkish foreign minister, issues of mutual interest were discussed, including the 3+3 format for the Caucasus, according to the Iranian Foreign Ministry�s website.

The top Iranian diplomat and the Turkish officials discussed other issues as well, such as the agreement on pursuing issues in bilateral ties, restoring bilateral trade to the previous track, agreement on increasing railroad lines between the two countries, agreement on cooperation in Iraq and Syria, trilateral cooperation with Afghanistan, and supporting the rights of Palestinian people.

Zarif has traveled to Turkey on the final leg of a tour of the region that took him earlier to the Republic of Azerbaijan, Russia, Armenia, and Georgia.