Booking.com is an online travel agency that specializes in lodging reservations. The company was established in 1996 in the Netherlands and has grown to become one of the largest travel e-commerce companies in the world, with over 28 million listings in 228 countries and territories.

Booking.com offers a wide range of lodging options including hotels, resorts, vacation rentals, and hostels. The website allows users to search for lodging based on location, dates of travel, number of guests, and price range. Users can also filter search results by property amenities, star rating, and customer reviews.

Booking.com offers a Best Price Guarantee, which means that if a user finds a lower price for the same room on another website, Booking.com will match the price and give the user an additional discount.

Users can also take advantage of the Genius program, which gives members access to exclusive deals and discounts on lodging, as well as other perks such as late check-out and room upgrades.

The website also allows users to book transportation and activities, such as airport transfers and tours. And also offer mobile application for booking and check-in.

In addition to the website, Booking.com also has a call center and a mobile app, which allows users to book lodging and manage their reservations on-the-go.