Foreign Minister Mohammad Javad Zarif and visiting European Union (EU) foreign policy chief Federica Mogherini held talks here on Saturday.
After bilateral talks on various issues, the two are to attend a joint press briefing.
During her visit to Tehran, Mogherini is to discuss with the Iranian officials about establishment of EU permanent mission here as well as issue of Syrian crisis.
She is also scheduled to meet with senior Iranian officials later in the day.
Mogherini arrived in Tehran this morning at the head of a high-ranking political and economic delegation including seven EU commissioners in the fields of energy, scientific research, the environment, education, sports and industry.