The «Pfalzkeller» premises comprise two impressive vaults – the «Pfalzkeller» itself and the «Hofkeller» – with the new square designed by architect Santiago Calatrava. These special rooms are particularly suited for receptions with refreshments, exhibitions, banquets and occasions of all kinds.
| Room arrangement | Concert | U-Shape | Seminar | Banquet | Length x Width | Area |
| Pfalzkeller | - | - | - | 180 | - | 750 m² |
| Forum vor Pfalzkeller | 280 | - | 60 | 120 | - | 540 m² |
| Hofkeller | 140 | - | 40 | 100 | - | 190 m² |
| Kantonsratsaal | - | - | 180 | - | - | 320 m² |
| Ratsstübli nur in Verbindung mit Kantonsraatsaal | - | - | - | 48 | - | 54 m² |
