IRNA � Iranian Minister of Foreign Affairs Mohammad-Javad Zarif arrived in Istanbul to attend the trilateral meeting of the Iranian, Turkish, and Azeri foreign ministers.

The sixth round of trilateral meeting is to be held tomorrow in Istanbul.

Zarif is also going to take part in the opening ceremony of the new airport of the city.

Zarif, Turkish Foreign Minister Mevl�t �avu?o?lu, and their Azeri counterpart Elmar Mammadyarov will discuss issues concerning the three countries.

Expanding trilateral collaborations in politics and economy, and discussing regional and international issues are to be discussed in the meeting.