Tomorrowland is a globally significant electronic music festival held in Belgium, featuring over 100 performances from top DJs across various genres over three days, attracting more than 400,000 attendees from over 75 countries. Since its inception in 2005, it has evolved from a single-day free event to a multi-day festival with spin-offs in Brazil and the U.S. The festival also includes a camping area called 'Dreamville' and connects smaller events via 'Unite with Tomorrowland' while maintaining a fairy-tale themed atmosphere.