StadiumStadion Athletic BILBAO™
| Current capacity of the stadium |
| Standing | 15 900 |
| Seats | 9 900 |
| Tribune | 6 000 |
| Seats for sponsors | 200 |
| Fans attended |
| 18. 6. 2026 | Athletic BILBAO™-León | 20 020 |
| 13. 6. 2026 | Athletic BILBAO™-Cádiz | 14 642 |
| 8. 6. 2026 | Athletic BILBAO™-Deportivo La Coruna | 13 178 |
| 4. 6. 2026 | Athletic BILBAO™-Barcelona | 13 116 |