European GNSS Global Navigation Satellite System Agency
Janovského 438/2 170 00 Prague 7 – Holesovice Czech Republic
Tel: +420 234 766 000
The Airport Express bus can take you to Prague Main Train Station (approximately 35 minutes depending on traffic) where you can take the metro red line C in the direction of Letňany. The GSA building is approximately 400 meters from Vltavska metro station.
Information about transport from Prague airport is available on their web site; information about the Prague Metro system is available online too (in English).