Due to the growth of international end-users, in early 2012, Airbnb opened offices in Paris, Milan, Barcelona, Copenhagen, Moscow, and São Paulo.[36] These openings were in addition to existing offices in San Francisco, London, Hamburg, and Berlin.[46] In September 2013, the company announced that it would establish its European headquarters in Dublin.[47][48] Prior to the 2012 Summer Olympics, Airbnb acquired London-based rival CrashPadder, subsequently adding 6,000 international listings to its existing inventory. This acquisition made Airbnb the largest lodging website in the United Kingdom.[49][50]
Guests can search for lodging using filters such as lodging type, dates, location, and price. Before booking, users must provide personal and payment information. Some hosts also require a scan of a government-issued identification before accepting a reservation.[4] The company also provides travel guides, entitled "Neighborhoods", which provide details about staying in specific neighborhoods in various major cities.[5][6]