Chengdu Shuangliu International Airport (IATA: CTU, ICAO: ZUUU; traditionally as Chengdu Airport) is one of two international airports serving Chengdu, the capital of Sichuan province in Southwestern China, with the other being Chengdu Tianfu International Airport. Its predecessor was Chengdu Shuangguisi Airport (成都双桂寺机场), built in 1938. In 1956, the airport was transferred to the Civil Aviation Administration of China and renamed to Chengdu Shuangliu Airport (成都双流机场). Since then, the airport has been expanded eight times, making it one of the oldest airports in China. Chengdu Shuangliu Airport was officially renamed "Chengdu Shuangliu International Airport" (成都双流国际机场) on November 30, 1995. This renaming took place after it was approved as an international port‑of‑entry airport in 1993. Located about 16 kilometers (10 mi) southwest of downtown Chengdu to the north of Shuangliu, Chengdu Shuangliu Airport is an important aviation hub for Western China.