The march is being held on O'Connell Street.
People will take to the streets today to highlight the importance of supporting those affected by the war in Sudan.
The rally will kick off at 11am on O'Connell Street in Dublin, and is expected to run until 3pm.
Mullingar's Aseel Hassan Sakota will be among those gathering in the capital - many of her family are still trapped in the war-torn country.
She says she's constantly wondering whether members of her family are still alive:
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