About half of visitors to Sziget are foreigners, Kádár said a day before the start of the festival which is celebrating its 30th anniversary this year. ú

After the Dutch, the Brits and the Irish are the next biggest groups of festival-goers, he added.

Among the headliners the six-day Sziget boasts this year are Billie Eilish, making her debut in Hungary, Florence + the Machine, Imagine Dragons, David Guetta, Mumford and Sons, and Macklemore.