Belsonic is Northern Ireland’s biggest and most electrifying outdoor music festival, held every summer in the heart of Belfast. Known for its unbeatable lineup of international superstars across genres like pop, rock, indie, and electronic, Belsonic transforms the iconic Custom House Square into a buzzing urban festival hub.

Since its debut in 2008, Belsonic has attracted thousands of music fans with headline acts including Dua Lipa, Calvin Harris, The Killers, Snow Patrol, Martin Garrix, and Foo Fighters. With multiple nights of live performances and a vibrant festival atmosphere, Belsonic is the go-to event for music lovers across Northern Ireland and beyond.

Offering intimate outdoor stages, great food and drink, and a lively city-center location, Belsonic combines the best of live music with the unique energy of Belfast’s urban culture.

Experience the sound of the city. Experience Belsonic.