IHG Rewards Club members are eligible for bonus offers at select new hotels in Europe that change from time to time.
IHG has just updated the promo page that lists the new hotels that have special offers available for limited time.
You can access IHG’s web page for this offer here.
Here are the hotels with bonus offers:
Stayed at the Indigo hotel in Helsinki last month that is on the list, but not sure if there was some special offer when I made the booking. Worth having a look if you are planning to stay at any of these hotels.