AccorHotels are running a special private sale for various properties across Europe, The Middle East and North Africa with rates from 30% to 50% off.
You can access the sale here
The rates must be prepaid, non-cancellable and non-changeable. You must book a minimum of 15 days in advance for a stay of 1 to 3 nights. The actual stay period until which the Private Sale rates are valid varies from property to property.
Upon looking at various dates and properties there is some great value to be had if you have any trips coming in the places the sale is on.
Book from now till the 1st June, so get in quick!