It's first time this championship that GAA headquarters has been at full capacity.
Some 30,000+ Donegal fans are expected to travel to the capital this weekend for the biggest game of the season so far.
Patrons are asked to arrive early for this game, with turnstiles open from 12.30pm. The GAA football minor semi-final meeting of the same counties commences at 1.30pm, with the senior game beginning at 3.30pm.
Supporters can avail of a range of activities in the Family Fanzone from 12.30pm until 3pm.