Tomorrowland 2025 kicks off July 17 with 400,000 attendees expected

The Tomorrowland music festival in Boom, northern Belgium, begins on July 17 and is expected to draw around 400,000 visitors from across the globe. Polish interest is growing year on year, according to Marcin Starkowski of travel platform eSky.pl. The event has transformed the small Belgian town into a worldwide tourist destination.