IATA code: ATH
The three-letter IATA code for Athens International Airport "Eleftherios Venizelos".
ATH is the IATA code for Athens International Airport (Eleftherios Venizelos), 35 km east of central Athens at Spata. It is the busiest airport in Greece, handling 28+ million passengers a year. The IATA code is what appears on your boarding pass; the ICAO code is LGAV.