Chengdu Shuangliu International Airport (IATA: CTU, ICAO: ZUUU) is the major international airport serving Chengdu, China. Located about 16 kilometres (10 mi) southwest of downtown Chengdu to the north of Shuangliu County, Shuangliu airport is the busiest airport in western and central part of China and serves as an important aviation hub to Western China. Chengdu Shuangliu International Airport is one of the two core hubs for Air China, together with Beijing, as well as the main hub and headquarters for Sichuan Airlines and Chengdu Airlines.