Austin–Bergstrom International Airport or ABIA (IATA: AUS, ICAO: KAUS, FAA LID: AUS, formerly BSM) is a Class C international airport located in Austin, Texas – the capital of Texas, and serving the Greater Austin metropolitan area, the 34th-largest metropolitan area in the United States. Located about 5 miles (8 km) southeast of Downtown Austin, it covers 4,242 acres (1,717 ha) and has two runways and three helipads.