Hyatt Hotels Corporation, a Delaware corporation, and its consolidated subsidiaries (collectively "Hyatt Hotels Corporation") provide hospitality and other services on a worldwide basis through the development, ownership, operation, management, franchising, and licensing of hospitality and wellness-related businesses. We develop, own, operate, manage, franchise, license, or provide services to a portfolio of properties, consisting of full service hotels, select service hotels, resorts, and other properties, including branded spas and fitness studios, timeshare, fractional, and other forms of residential, vacation, and condominium ownership units. At September 30, 2019, (i) we operated or franchised 434 full service hotels, comprising 151,995 rooms throughout the world, (ii) we operated or franchised 453 select service hotels, comprising 64,500 rooms, of which 390 hotels are located in the United States, and (iii) our portfolio included 6 franchised all-inclusive Hyatt-branded resorts, comprising 2,403 rooms, and 3 destination wellness resorts, comprising 410 rooms. At September 30, 2019, our portfolio of properties operated in 63 countries around the world. Additionally, through strategic relationships, we provide certain reservation and/or loyalty program services to hotels that are unaffiliated with our hotel portfolio and which operate under other tradenames or marks owned by such hotel or licensed by third parties.
As used in these Notes and throughout this Quarterly Report on Form 10-Q, (i) the terms "Hyatt," "Company," "we," "us," or "our" mean Hyatt Hotels Corporation and its consolidated subsidiaries, (ii) the term "properties" refers to hotels, resorts, and other properties, including branded spas and fitness studios, and residential, vacation, and condominium ownership units that we develop, own, operate, manage, franchise, or to which we provide services or license our trademarks, (iii) "Hyatt portfolio of properties" or "portfolio of properties" refers to hotels and other properties that we develop, own, operate, manage, franchise, license, or provide services to, including under the Park Hyatt, Miraval, Grand Hyatt, Alila, Andaz, The Unbound Collection by Hyatt, Destination, Hyatt Regency, Hyatt, Hyatt Ziva, Hyatt Zilara, Thompson Hotels, Hyatt Centric, Caption by Hyatt, Joie de Vivre, Hyatt House, Hyatt Place, tommie, Hyatt Residence Club and Exhale brands, (iv) the term "worldwide hotel portfolio" includes our full and select service hotels, and (v) the term "worldwide property portfolio" includes our wellness and all-inclusive resorts, branded spas and fitness studios, and residential, vacation, and condominium ownership units in addition to our worldwide hotel portfolio.
The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information, the instructions to Form 10-Q, and Article 10 of Regulation S-X. Accordingly, they do not include all information or footnotes required by GAAP for complete annual financial statements. As a result, this Quarterly Report on Form 10-Q should be read in conjunction with the Consolidated Financial Statements and accompanying Notes in our Annual Report on Form 10-K for the fiscal year ended December 31, 2018 (the "2018 Form 10-K").
We have eliminated all intercompany accounts and transactions in our condensed consolidated financial statements. We consolidate entities under our control, including entities where we are deemed to be the primary beneficiary.
Management believes the accompanying condensed consolidated financial statements reflect all adjustments, which are all of a normal recurring nature, considered necessary for a fair presentation of the interim periods.