In international air transport, there are standard short name of each airport created by IATA. The airport short name is formed by three capitalized letters for easy recognition.

PEK – Beijing Capital International Airport

HKG – Hongkong International Airport

CAN – Guangzhou Baiyun International Airport (CA/QR/TK/EY/MS/NH to Middle East and Africa)

PVG – Shanghai Pudong International Airport

SHA – Shanghai Hongqiao International Airport

CTU – Chengdu Shuangliu International Airport

SZX – Shenzhen Baoan International Airport (CA/HU/CZ/MU to Europe and North America)

KMG – Kunming Changshui International Airport

XIY – Xi’an Xianyang International Airport

HGH – Hangzhou Xiaoshan International Airport