StadiumStadion Athletic BILBAO™
| Current capacity of the stadium |
| Standing | 15 900 |
| Seats | 9 900 |
| Tribune | 6 000 |
| Seats for sponsors | 200 |
| Fans attended |
| 3. 8. 2026 | Athletic BILBAO™-La Manga | 27 385 |
| 30. 7. 2026 | Athletic BILBAO™-Níjar | 17 569 |
| 25. 7. 2026 | Athletic BILBAO™-Deportivo La Coruna ™ | 17 071 |
| 20. 7. 2026 | Athletic BILBAO™-1. FC Sparta Madrid | 16 480 |
| 16. 7. 2026 | Athletic BILBAO™-Sotogrande | 23 916 |
| 13. 7. 2026 | Athletic BILBAO™-Las Palmas | 24 391 |
| 9. 7. 2026 | Athletic BILBAO™-Cartama | 25 300 |
| 4. 7. 2026 | Athletic BILBAO™-Girona FC | 23 030 |
| 29. 6. 2026 | Athletic BILBAO™-REAL MADRID 1902 | 27 216 |