Vahidi described cooperation from the Iraqi side as good.
He added that Iran, among others, is demanding Iraq speed up the entry of Iranian pilgrims via the border.
He said people are facing some problems on the border.
Vahidi noted that Iraqi officials promised to make an effort to resolve those problems. The Arbaeen ceremonies are several days away.
They mark the 40th day after the martyrdom anniversary of the third Shia Imam, namely, Imam Hussein, the grandson of the Prophet Muhammad (PBUH).
Millions of people mark the occasion each year in the Iraqi city of Karbala where Imam Hussein’s shrine is located.