President Michael D Higgins will lead tributes later to the leaders of the 1916 Easter Rising.
A state commemoration takes place each year in Arbour Hill, the final resting place of the seven signatories of the Proclamation of the Republic.
This year the event will take place in two locations, with a significant portion in Áras an Uachtaráin.
The commemoration will get under way when President Higgins rings the Peace Bell followed by a wreath laying ceremony.
Greystones E-Bike Scheme Flourishing With Over 12,000 Recorded Trips
Tinahely Scoops Best Actress Award on All Ireland Stage
Wicklow Left Heartbroken As Dublin Do Just Enough To Escape Aughrim With Narrow Win
Young Arklow Tennis Talent Secures Sponsorship for Elite Training in Mallorca
Revised Plan For Boghall Road Site Could Create 30 Jobs In Wickow