Travellers find the ideal hotel for the best rate on trivago. The online service compares the hotel rates of 53 booking sites for 400,000 hotels worldwide. Additionally trivago has integrated over 15 million hotel reviews and shows the overall rating for each hotel. trivago does not just compare the prices of online hotel booking sites, but also the rates. Users can see whether breakfast is included and if cancellation and payment by credit card is possible. trivago has the first “Freestyle” meta search: travellers are able to search by holiday region, city or hotel name. trivago with its headquarters in Dusseldorf, Germany was founded in 2005 and currently operates 18 international country platforms.