Áras an Uachtaráin formerly the Viceregal Lodge, is the official residence of the President of Ireland. It is located in the Phoenix Park on the northside of Dublin.
Áras an Uachtaráin is open Saturdays only. Free admission tickets are issued at the Phoenix Park Visitor Centre, Ashtown Castle on the day. Group and/or advance booking is not possible.
Check before you go as it can be closed to the public for official engagements.