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