Festivalen ble arrangert fra 18 Jun til 21 Jun 2015 (3 dag(er)).
Graspop Metal Meeting finner sted i Dessel, Belgium. Her er den fullstendige adressen til festivalen: Graspop Metal Meeting
Slipknot, Scorpions, Judas Priest, Korn, Five Finger Death Punch, KISS, Motionless in White, Within Temptation, Lamb of God, Alice Cooper, A Day to Remember, Sonata Arctica, Papa Roach, Godsmack, Arch Enemy.
De mest populære sjangrene og undersjangrene i den siste utgaven var:
heavy metal
rock
punk
metal
hard rock
death metal
metalcore
black metal
thrash metal
progressive metal
alternative metal
hardcore
melodic death metal
alternative
alternative rock
gothic metal
power metal
symphonic metal
doom metal