Graz Airport (IATA: GRZ, ICAO: LOWG), known as Flughafen Graz in German, is a primary international airport serving southern Austria. It is located near Graz, the second-largest city in Austria, in the municipalities of Feldkirchen and Kalsdorf, 5 NM (9.3 km; 5.8 mi) south of Graz city centre.