Booking.com

Booking.com is one of the largest online travel agencies. It is headquartered in Amsterdam, Netherlands and is a subsidiary of Booking Holdings. Booking.com provides lodging reservation services for approximately 3.4 million properties, including 475,000 hotels, motels, and resorts, and 2.9 million homes, apartments in over 220 countries and territories, and in over 40 languages. It also sells flights in 55 markets and tours and activities in more than 1,300 cities.