StadiumKaraiskakis Stadium
| Current capacity of the stadium |
| Standing | 39 700 |
| Seats | 24 800 |
| Tribune | 14 900 |
| Seats for sponsors | 500 |
| Fans attended |
| 4. 10. 2025 | Olympiacos Pireus F.C.-Panserraikos.FC | 3 749 |
| 30. 9. 2025 | Olympiacos Pireus F.C.-Rhodos FC | 4 301 |
| 29. 9. 2025 | Olympiacos Pireus F.C.-AEK Athens | 3 494 |
| 25. 9. 2025 | Olympiacos Pireus F.C.-A.E. Larissa F.C. | 4 065 |
| 23. 9. 2025 | Olympiacos Pireus F.C.-Lardos SC | 4 162 |
| 23. 9. 2025 | Olympiacos Pireus F.C.-Philippopolis | 4 323 |
| 20. 9. 2025 | Olympiacos Pireus F.C.-Rhodos FC | 3 895 |
| 19. 9. 2025 | Olympiacos Pireus F.C.-Vallecano | 4 207 |
| 16. 9. 2025 | Olympiacos Pireus F.C.-Panserraikos.FC | 4 946 |