WEB1 day ago · Suvarnabhumi Airport (IATA: BKK, ICAO: VTBS) [4] [5] is the main international airport serving Bangkok, the capital of Thailand. [6] [7] Located mostly in Racha Thewa subdistrict, Bang Phli district, Samut Prakan province, it covers an area of 3,240 ha (32.4 km 2; 8,000 acres), making it one of the biggest international airports in Southeast Asia and a regional hub for aviation.