When: Monday, June 29, 2020 - Thursday, September 3, 2020. Photo: www.visitljubljana.com . ; This list includes major festivals in major cities, plus national holidays observed throughout Slovenia. Fresh Island Festival. We would like to inform you that due to the current situation This website uses cookies to provide you with the best browsing experience.This website uses cookies so that we can provide you with the best user experience possible. The Summer Festival of Ljubljana is a sequence of events opened to the public for free. The main event organised by Festival Ljubljana is the International Summer Festival (symphonic and chamber concerts, as well as opera, ballet and theatre performances featuring first-class foreign and domestic artists). Central Europe, eastern Alps bordering the Adriatic Sea, between Austria and Croatia. Festival lineup: Wizkid, DaBaby, D-Block Europe, Tim Westwood, DJ Semtex. Festival Lent 2020 od 21. do 29. avgusta.. Odkrivati in uživati, srečati in deliti srečo. Ljubljana Jazz Festival 2021 Živeti! NOWY TERMIN Gdańsk LOTOS Siesta Festival 2020 8-13 września i 18 listopada 2020r.