Gdynia hosts the Gdynia Film Festival , the main Polish film festival . The International Random Film Festival was hosted in Gdynia in November 2014 . Since 2003 Gdynia has been hosting the Open ' er Festival , one of the biggest contemporary music festivals in Europe . The festival welcomes many foreign hip-hop , rock and electronic music artists every year . The lineup for 2015 was Mumford and Sons , Of Monsters and Men , The Prodigy , The Vaccines and many more . Another important summer event in Gdynia is the Viva Beach Party , which is a large two-day techno party made on Gdynia 's Public Beach and a summer-welcoming concerts CudaWianki . Gdynia also hosts events for the annual Gdańsk Shakespeare Festival . In the summer of 2014 Gdynia hosted Red Bull Air Race World Championship
International Random Film Festival
International Random Film Festival
Gdynia