Letiště Václava Havla Praha Václav Havel Airport Prague (IATA: PRG) located some 10 km west of the centre of Prague in the Czech Republic.
Václav Havel Airport Prague (Czech: Letiště Václava Havla Praha), formerly Prague Ruzyně International Airport (Czech: Mezinárodní letiště Praha-Ruzyně), (IATA: PRG, ICAO: LKPR), is the international airport of prague, the capital of the czech-republic. It is located 10 kilometres (6 mi) west of the city centre and is with over 11 million passengers in 2014 the busiest airport in the newer EU member states. It also serves as a hub for Czech Airlines as well as a base for Travel Service Airlines including its subsidiary SmartWings.
Here is the airport official web page.