The Foreign Minister was welcomed by the Governor of Najaf upon his arrival in Iraq.
Arbaeen marks the 40th day after the martyrdom of the third Shia Imam, Imam Hussain, and 72 of his companions in Karbala in the year 61 AH (Islamic calendar).
Every year, thousands of Iranians travel to various cities in Iraq, mostly on foot, to mourn their martyrdom.