On Saturday, June 13, 2026, the outdoor area of the Rudolf Weber-ARENA in Oberhausen will be transformed into a sea of sunglasses, palm trees and party music for the 4th time! INSELFIEBER - the biggest Mallorca party you can't miss!
The gates open at 12:00 noon, and from 1:00 p.m. the atmosphere rises immeasurably when the first artists take to the stage.
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