The two-day forum is held at the Institute for Political and International Studies of the Iranian Foreign Ministry.
The event has convened 200 delegations, including high-ranking officials from 53 countries, ministers and decision-makers from the Persian Gulf region, as well as representatives of the United Nations.
Iranian President Masoud Pezeshkian and Foreign Minister Abbas Araqchi have also taken part in the event.
The forum that entails 40 expert panels and live meetings is covered by 50 foreign media outlets.
Tehran Dialogue Forum highlights Iran’s role as a responsible and progressive actor in regional and international diplomacy.