StadiumStadion Athletic BILBAO™
| Current capacity of the stadium |
| Standing | 15 900 |
| Seats | 9 900 |
| Tribune | 6 000 |
| Seats for sponsors | 200 |
| Fans attended |
| 20. 12. 2025 | Athletic BILBAO™-1. FC Sparta Madrid | 21 931 |
| 15. 12. 2025 | Athletic BILBAO™-Cádiz | 15 875 |
| 11. 12. 2025 | Athletic BILBAO™-Pedrena | 15 264 |
| 7. 12. 2025 | Athletic BILBAO™-Marbella | 21 961 |
| 6. 12. 2025 | Athletic BILBAO™-Lleida | 22 055 |
| 1. 12. 2025 | Athletic BILBAO™-La Manga | 17 643 |
| 27. 11. 2025 | Athletic BILBAO™-Girona FC | 15 010 |