Festivalen ble arrangert fra 26 Jul til 28 Jul 2013 (2 dag(er)).
Tomorrowland finner sted i Boom, Belgium. Her er den fullstendige adressen til festivalen: Tomorrowland 2850 Boom, Belgium
tINI, Armin van Buuren, David Guetta, Tiësto, Steve Aoki, Alesso, Tale of Us, Zedd, Porter Robinson, Dimitri Vegas & Like Mike, Eric Prydz, Afrojack, Cosmic Gate, Yellow Claw, Astrix, Carl Cox, Neelix, Richie Hawtin, Kaskade, Maceo Plex, Bicep, Bakermat, Paul van Dyk, R3hab, Markus Schulz, Nicky Romero, Ferry Corsten, Infected Mushroom, W&W, Da Tweekaz.
De mest populære sjangrene og undersjangrene i den siste utgaven var:
electronic
pop
hip hop
house
dance
techno
electronica
electro
trance
electro house
progressive house
minimal
tech house
club
minimal techno
progressive trance
deep house
hardstyle
dubstep