Question: What city is the head office of József Váradi's airline located in?

Related documents: [0]  [DOC] József Janos Váradi (born 21 September 1965) is a Hungarian businessman who co-founded Wizz Air and has been its CEO since 2003. [END] 
[1]  [DOC] Wizz Air, legally incorporated as "Wizz Air Hungary Ltd." (Hungarian: "Wizz Air Hungary Légiközlekedési Kft." ), is a Hungarian low-cost airline with its head office in Budapest. The airline serves many cities across Europe, Israel and the United Arab Emirates. It has the largest fleet of any Hungarian airline, although it is not a flag carrier, and currently serves 42 countries. Its Jersey based parent company, Wizz Air Holdings Plc, is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. [END]  
Answer: Budapest
Budapest