160 thousand people will descend on Croke Park over the next two days to see Ed Sheeran's sell-out shows.
Doors open at 5pm this evening, with Gavin James and Bell X1 set to warm up the crowd.
Those travelling to the concerts are being advised to take public transport.
While people are being reminded that there are no under-14s allowed on the pitch, and any under-16s must be accompanied by an adult.
Event co-ordinator at Aiken Promotions Jim Clarke explains other measures in place for families:
