Heineken Open’er Festival is taking place in Gdynia, at the Gdynia Kosakowo airport. The Heineken Open'er Festival is the largest Polish open-air music and performing arts festival and definitely the most important music event in Gdynia - a city in the north of Poland at the Baltic Sea coast.

The Gdynia-Kosakowo Airfield is a 75 hectare space that screams out to be explored and contains 7 stages, over 100 artists, festival town with merchandising area, gastro zones, camp site, beach, sea and sun, space for sports activities and multimedia, films, theatres and performances.

Heineken Open’er Festival is brought to you by one of Europe’s largest promoters Alter Art.