The BTarena is a multi-purpose indoor arena that is located in Cluj-Napoca, Romania.

The arena was previously called the Polyvalent Hall but was renamed on 17 October 2017 when the facility entered into a new arena-naming rights agreement with Banca Transilvania.

The arena hosted a concert, on 31 October 2014, by English musician James Blunt, who sang from his album Moon Landing.

[6][7] It hosted the Counter-Strike: Global Offensive Major DreamHack Open Cluj-Napoca 2015.

[2] The renovation work on the arena's existing stands began after the 2017 European Artistic Gymnastics Championships.