Five candidates will battle it out to win the third and final seat in the European Parliament in Dublin.
The Sunday Independent's - Millward Brown European Election Poll for the Dublin Constituency shows Sinn Fein's Lynn Boylan on track for the first seat polling at 23 per cent, and Fine Gael's Brian Hayes close behind on 22 per cent taking the second.
The poll was conducted on Tuesday and Wednesday and questioned 528 adults at 46 sample points throughout Dublin.
Daniel McConnell, Group Political Correspondent with Independent Newspapers