StadiumReale Arena
| Current capacity of the stadium |
| Standing | 43 000 |
| Seats | 26 900 |
| Tribune | 16 100 |
| Seats for sponsors | 500 |
| Fans attended |
| 19. 3. 2026 | Real Sociedad-Vallecano | 5 785 |
| 14. 3. 2026 | Real Sociedad-Magaluf | 4 948 |
| 9. 3. 2026 | Real Sociedad-Start Marbella OOL | 5 162 |
| 7. 3. 2026 | Real Sociedad-Elche | 8 119 |
| 5. 3. 2026 | Real Sociedad-AC Aymon | 7 377 |
| 25. 2. 2026 | Real Sociedad-FC Internazionale Miláno A | 3 801 |
| 14. 2. 2026 | Real Sociedad-OFK Petrovac | 4 748 |
| 4. 2. 2026 | Real Sociedad-Halle | 4 574 |
| 15. 1. 2026 | Real Sociedad-Bludenz | 4 441 |