Dubbed "Dialogues for Regional and International Consensus and Integration", the TDF is receiving 200 delegations, including senior officials from 53 countries and UN representatives, according to a statement by the Iranian Foreign Ministry posted on its X account IRIMFA.

The forum will provide a platform for #informaldiplomacy, the statement added.

Among the topics discussed at this forum are sanctions relief talks, disarmament in the Middle East, and the issue of nuclear weapons and weapons of mass destruction.