The Open'er Festival is a music festival which takes place on the north coast of Poland, in Gdynia. It is one of the biggest annual music festivals in Poland. The first edition of the festival was organized in Warsaw in 2002 as Open Air Festival. Open’er Festival won the Best Major Festival prize at the European Festivals Awards ceremony in 2009, 2010 and 2019.

The first Open Air Festival was held in Tor Stegny in Warsaw in 2002, with The Chemical Brothers playing on the main stage. The festival then took place in Kościuszki Square in Gdynia from 2003 to 2005. The last festival in Kościuszki Square attracted over 50,000 people. Since 2006, the festival has taken place in Kosakowo Airport (Babie Doły Military Airport) in Gdynia.

Edition	Year	Dates	Venue	Headliners
1st	2002	2 July	Tor Stegny, Warsaw	The Chemical Brothers
2nd	2003	26 July	Kościuszki Square, Gdynia	No headliners
3rd	2004	2–3 July		P!nk Cypress Hill Massive Attack Goldfrapp
4th	2005	8–9 July		Snoop Dogg Fatboy Slim Faithless The White Stripes Lauryn Hill Underworld
5th	2006	6–8 July	Babie Doły Military Airport, Gdynia	Placebo Pharrell Williams Manu Chao Franz Ferdinand Sigur Rós Scissor Sisters Skin Kanye West Basement Jaxx The Streets
6th	2007	29 June–1 July		Björk Beastie Boys Muse
7th	2008	4–6 July		Massive Attack The Chemical Brothers Jay-Z Interpol
8th	2009	2–5 July		Kings of Leon Arctic Monkeys Placebo The Prodigy Faith No More
9th	2010	1–4 July		Pearl Jam Kasabian Massive Attack The Dead Weather
10th	2011	30 June–3 July		Coldplay Prince The Strokes Pulp M.I.A.
11th	2012	4–7 July		Björk Justice Franz Ferdinand The Mars Volta
12th	2013	3–6 July		Kings of Leon Queens of the Stone Age Arctic Monkeys Blur
13th	2014	2–5 July		The Black Keys Pearl Jam Jack White Faith No More
14th	2015	1–4 July		Drake The Libertines Mumford & Sons Kasabian
15th	2016	29 June–2 July		Florence and the Machine Red Hot Chili Peppers LCD Soundsystem Sigur Rós Pharrell Williams Kygo
16th	2017	28 June–1 July		Radiohead Foo Fighters The Weeknd The xx Lorde
17th	2018	4–7 July		Arctic Monkeys Depeche Mode Gorillaz Bruno Mars
18th	2019	3–6 July		Travis Scott The Strokes The Smashing Pumpkins Kylie Minogue Lana Del Rey Swedish House Mafia
19th	2022	29 June-2 July		Dua Lipa Twenty One Pilots Imagine Dragons A$AP Rocky The Killers
20th	2023	28 June-1 July		Lizzo Lil Nas X SZA Arctic Monkeys Kendrick Lamar
21st	2024	3-6 July		Dua Lipa Foo Fighters Måneskin Doja Cat Hozier

The main organizer of the festival is the concert agency Alter Art. In 2016, there were 5 stages: Orange Main, Alter, Beat, Firestone and Tent. There are also other smaller stages run by sponsors and vendors. Artists also performed in the Silent Disco Area and at the seaside of Gdynia on Gdynia Open Stage, where events are free to attend.

• Open'er Festival website

54°34′46″N 18°31′47″E / 54.5794°N 18.5298°E / 54.5794; 18.5298