Bandaranaike International Airport (BIA; commonly known as Colombo International Airport and locally known as Katunayake Airport; IATA: CMB, ICAO: VCBI) is the main international airport in Sri Lanka. It is named after former Prime Minister S. W. R. D. Bandaranaike (1899–1959) and is in the suburb of Negombo, 32.5 kilometres (20+1⁄4 miles) north of the nation's capital and commercial center, Colombo. It is administered by Airport and Aviation Services (Sri Lanka) Ltd and serves as the hub of SriLankan Airlines, the national carrier of Sri Lanka, Fitsair, a privately owned low-cost carrier, and domestic carrier Cinnamon Air. The other airport serving the city of Colombo is Ratmalana International Airport.