Gardai will use sniffer dogs to help sweep Croke Park ahead of Coldplay's gig.
Chris Martin and the boys take to the stage this Saturday amid heightened security in the wake of the Ariana Grande concert bombing.
U2, meanwhile, return to the stadium to play a sold out gig on Saturday 22nd.
Organisers say fans should leave big bags at home or at left luggage facilities in the city centre.
MCD's Eamon Fox is reminding people that only smaller bags will be allowed in, and that those bags will be searched and tagged.
He said the measures are in place to reassure the public after the incident in Manchester that "we're doing everything to keep them safe".