Derby Hotels Breakfast Included!! Breakfast included in the price of the reservation. Derby Hotels is a hotel chain with 14 boutique hotels located in mayor European cities, such as Barcelona, Madrid, London and Paris. Enjoy your breakfast. T&C: Valid for all hotels. This offer is valid in conjunction with any other promotional offer. Booking period: From 1st Jan. 2015 to 28th Feb. 2015. Staying period: From 1st June 2015 to 31st Aug. 2015. Use Promo Code: BKAFFI.