Airbnb provides alternative lodging choices offered by private hosts, from air beds and shared spaces to a variety of properties, including homes, apartments, private rooms, castles, boats, manors, tree houses, tipis, igloos, private islands and other properties. Airbnb has more than 1,000,000 listings in 34,000 cities in 190 countries. Founded in 2008 by Brian Chesky, Joe Gebbia and Nate Blecharczyk, Airbnb is headquartered in San Francisco, California.