Details.
For the one-night arrangement "One Night in Kassel" with arrival on 10 August or 13 August, receive a complimentary upgrade to the Superior category while available, worth EUR 50.00 per room per night, plus 20% off the arrangement price. Alternatively, for the two-night arrangement "Zu jeder Jahreszeit" with arrival on 12 August, receive a complimentary upgrade to the Superior category while available, worth EUR 50.00 per room per night, plus 10% off the arrangement price. The offer applies only to the specified dates and only when booking directly through the reception staff, not via a booking portal.