BTarena
| The arena during basketball game in 2023 | |
| Former names | Polyvalent Hall (2014–2017) | 
|---|---|
| Location | Cluj-Napoca, Romania | 
| Coordinates | 46°46′1.1″N 23°34′13.4″E / 46.766972°N 23.570389°E | 
| Operator | Cluj-Napoca City Council | 
| Capacity | 10,000 (tennis, basketball, handball) 10,000 (concerts, kickboxing, MMA) | 
| Construction | |
| Opened | 21 October 2014 | 
| Expanded | 2017 | 
| Construction cost | €16.5 million + €3.5 million (€21.5 million in 2019 euros) | 
| Architect | Dico și Țigănaș | 
| Structural engineer | Plan 31 | 
| General contractor | SC CON-A SA | 
| Main contractors | Nisal Intersport | 
| Tenants | |
| U-BT Cluj-Napoca (Divizia A) Universitatea Cluj-Napoca (Liga Naţională) | |
| Website | |
| btarena.info | |
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 venue holds 10,000 people in its largest configuration. The building is located next to the Cluj Arena.