Alexandreia Airport (ICAO: LGAX) is a military airfield near the town of Alexandreia in the Imathia regional unit of Central Macedonia, northern Greece. It has a single asphalt runway designated 13/31, measuring about 1,800 by 30 metres, and sits roughly 8 metres above sea level. It lies west of Thessaloniki and serves Greek military aviation rather than commercial traffic, with no IATA code assigned. The site is associated with army aviation activity in the region.