Airport Athen Helenikon is located in Greece near the city of Athens. The international codes of Athen Helenikon airport are ICAO: LGAT and IATA: HEW. Athen Helenikon is located at latitude 37.8933 and longitude 23.7261. The elevation above sea level is 69ft (21m). Local timezone at the airport is UTC/GMT +3:00 hours.