* valid for the following dates in 2022:
    - 14.04. - 19.04. - Easter (minimum stay: 4 nights)
    - 28.04. - 02.05. - 1st of May (minimum stay: 3 nights)
    - 25.05. - 30.05. - Ascension Day (minimum stay: 4 nights)
    - 03.06. - 07.06. - Whitsun (minimum stay: 4 nights)
    - 22.09. - 26.09. - Berlin Marathon (minimum stay: 3 nights)
    - 30.09. - 04.10. - German unification day (minimum stay: 3 nights)
    - 23.12. - 27.12. - Christmas (minimum stay: 3 nights)

** valid for the following dates in 2022:
    - 28.12. - 02.01. - New Year's Eve (minimum stay: 5 nights)