First minute discount of 15% is valid for the period 01.01.2017 - 23.06.2017 with the requirement to be realized up to 30.04.2017 and that is a minimum stay of 5 days.

Free night (7 = 6) is valid for the period 01.01.2017 - 07.07.2017

Free night (7 = 6) is valid for the period 19.08.2017 - 31.12.2017