Hyatt Hotels Corporation operates as a hospitality company in the United States and internationally. It operates through four segments: Owned and Leased Hotels, Americas Management and Franchising, ASPAC Management and Franchising, and EAME/SW Asia Management and Franchising. The company develops, owns, operates, manages, franchises, leases, licenses, and provide services to a portfolio of properties, consisting of full service hotels, select service hotels, resorts, and other properties, including timeshare, fractional, residential, vacation, and condominium ownership units. It operates its properties under the Park Hyatt, Miraval, Grand Hyatt, Alila, Andaz, The Unbound Collection by Hyatt, Destination, Hyatt Regency, Hyatt, Thompson Hotels, Hyatt Centric, Joie de Vivre, tommie, Caption by Hyatt, Hyatt House, Hyatt Place, Hyatt Ziva, Hyatt Zilara, UrCove, Hyatt Residence Club, Hyatt Residences, Hyatt Resorts, and Hyatt Centric Cambridge brands. As of March 31, 2021, the company's hotel portfolio consisted of approximately 1000 hotels. It primarily serves corporations; national, state, and regional associations; specialty market accounts, including social, government, military, educational, religious, and fraternal accounts; travel agency and luxury organizations; and a group of individual consumers. The company also operates World of Hyatt loyalty program which rewards points that can be redeemed for hotel nights and other rewards. The company was formerly known as Global Hyatt Corporation and changed its name to Hyatt Hotels Corporation in June 2009. Hyatt Hotels Corporation was founded in 1957 and is headquartered in Chicago, Illinois.