Lie of the land...
With four seats now up for grabs in this well-heeled constituency, will Fianna Fáil, Labour or Sinn Féin manage to break through this time, and can Fine Gael hold on to two seats?
Dublin Rathdown was mooted as a separate constituency in 2013, largely replacing Dublin South and holding its first election in 2016.
A population of 12,407 people in three Electoral Divisions and part of a fourth are being transferred into the constituency from the Dún Laoghaire constituency, mostly from leafy Foxrock.
View our interactive map of the 43 constituencies here
