Ali Baghiri, deputy head of the Iranian Supreme National Security Council and Iran's Chief Negotiator Saeed Jalili, met with Turkish Foreign Minister Ahmet Davutoglu, ISNA news agency reported.
During the meeting, held behind closed doors, the results of the negotiations held in Geneva, as well as details of upcoming talks in late January in Istanbul were discussed.
Another round of talks on the Iranian nuclear issue ended in Geneva on Dec.7. Deputy foreign ministers of Russia, the United States, Great Britain, China, France, Germany and EU High Representative for Foreign Affairs and Security Policy Catherine Ashton attended the talks.
The result of talks was an agreement to continue the consultations in late January in Istanbul.
The United states and other Western countries accuse Iran of developing nuclear weapons under cover of peaceful nuclear energy program. Tehran denies the charges, saying its nuclear program is aimed at meeting the country's electricity needs.
The U.N. Security Council adopted six resolutions in connection with the suspension of Iran's nuclear program, with four of them involving the use of economic sanctions on the country.