Voters will elect 173 TDs, with one Dáil seat going to the Ceann Comhairle (Speaker).
Eighty-eight TDs is the number needed for an overall majority.
The new TDs will represent 43 constituencies across the Republic of Ireland.
More than 3.4 million people are registered to vote in the Republic of Ireland.
To vote in an election, voters must be over 18 years of age, be Irish or British citizens, live in Ireland and be on the Irish Electoral Roll.
Among the candidates in the election are representatives of the three main parties – outgoing coalition partners Fianna Fáil and Fine Gael, as well as the leading opposition party in the outgoing Dáil parliament, Sinn Féin.
