Prague Ruzyně International Airport (Czech: Letiště Praha-Ruzyně, Czech pronunciation: [ˈpraɦa ˈrʊzɪɲɛ], (IATA: PRG, ICAO: LKPR), serves Prague, Czech Republic. Located 10 kilometres (6 mi) west of the city centre, the airport is a hub for Czech Airlines. It was opened on 5 April 1937. Prague-Ruzyně is the biggest airport in the Czech Republic, and with 11.6 million passengers in 2009, the busiest one within the new EU member states. It was named the best airport in Central and Eastern Europe by Skytrax in 2005 and 2007.