International Hotel Group (IHG) is the largest hotel chain in the world by number of rooms. IHG operates over 4,450 hotels across 100 countries under 7 brands, including InterContinental, Crowne Plaza, and Holiday Inn. IHG's Priority Club Rewards program is the largest hotel loyalty program globally with over 58 million members. IHG operates hotels using management and franchise business models, bringing administrative support to owned hotels or allowing third parties to operate hotels under IHG brands and standards.