Untold start again („Best Major European Festival” in 2015) 3-6 august in Cluj-Napoca, Romania

Untold Festival is the largest annual electronic music festival held in Romania, taking place in Cluj-Napoca. Untold has been designated Best Major Festival within European Festival Awards 2015.

The first edition of the festival took place in 2015, when Cluj-Napoca was appointed the European Youth Capital. The main artists that performed were Tom Odell, ATB, Dimitri Vegas & Like Mike, Avicii, Armin van Buuren and David Guetta. During the four days of the festival, more than 240,000 people attended the concerts held on several stages in the centre of Cluj-Napoca

The second edition of the festival took place in 2016, 4–7 August. There were six main artists which have been revealed in January 2016, the first confirmed name being Tiësto. The other five confirmed names were Hardwell, Martin Garrix, Dimitri Vegas & Like Mike, Afrojack and Armin van Buuren. The festival took place during four days in the centre of Cluj-Napoca and involved 10 stages.
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The third edition of the festival will take place from 3 to 6 august of 2017. There are seven DJ headliners who were announced in January 2017: Afrojack, Armin Van Buuren, Axwell /\ Ingrosso, Dimitri Vegas & Like Mike, Hardwell, Martin Garrix and Steve Aoki. This year's festival features a special guest, Marshmello, who is playing for the first time ever in Romania. In March the live acts were announced, these being Ellie Goulding, Example, Hurts, Jasmine Thompson, MØ, R. City and Tinie Tempah. The festival will take place during four days in the centre of Cluj-Napoca and will involve 8 stages which will also have some important names. Other artists performing at this year's edition are: Alan Walker, Don Diablo, Dillon Francis, Sander van Doorn, Dubfire, Jamie Jones, Loco Dice, Solomun, Sven Väth, Andy C, Borgore, Pendulum and Chase & Status.

For accommodation, festival participants have many options, including comfort, premium, camping, or an interesting thing called adopt an untolder.
The tickets can still be purchased on https://untold.com/en/tickets, but it just remain only 2000 4 days passes left.
I attached a link of the official video to see how it was last year

Untold, a music festival with a good vibe and nice people.