Suvarnabhumi International Airport (IATA: BKK, ICAO: VTBS) is the main international airport serving Bangkok, the capital of Thailand. Located mostly in Racha Thewa subdistrict, Bang Phli district, Samut Prakan province, it covers an area of 3,240 ha (32.4 km2; 8,000 acres), making it one of the biggest international airports in Southeast Asia and a regional hub for aviation. The airport is also a major Cargo Air Freight Hub (20th busiest in 2019), which has a designated Airport Free Zone, as well as road links to the Eastern Economic Corridor (EEC) on Motorway 7.