Booking.com is a travel fare aggregator website and travel metasearch engine for lodging reservations of Dutch origin. Since 2005, it has been owned and operated by United States-based The Priceline Group.[2]

The website lists more than 1,534,024 properties in 226 countries and books 1,200,000 room nights per day.[3] The site is available in 43 languages.[3] In 2013, the site accounted for more than two thirds of the revenue of The Priceline Group.[4]