StadiumStadion Athletic BILBAO™
| Current capacity of the stadium |
| Standing | 15 900 |
| Seats | 9 900 |
| Tribune | 6 000 |
| Seats for sponsors | 200 |
| Fans attended |
| 1. 9. 2025 | Athletic BILBAO™-Deportivo La Coruna | 14 908 |
| 28. 8. 2025 | Athletic BILBAO™-Puerto de Santa Maria | 16 408 |