Hong Kong International Airport (IATA: HKG, ICAO: VHHH) is the main airport in Hong Kong. It is located on the island of Chek Lap Kok, which is largely reclaimed for the construction of the airport itself. The airport is also colloquially known as Chek Lap Kok Airport (赤鱲角機場), to distinguish it from its predecessor, the closed Kai Tak Airport.
The airport has been commercially operational since 1998, replacing the former Kai Tak Airport, and is an important regional trans-shipment centre, passenger hub and gateway for destinations in Mainland China (with over 40 destinations) and the rest of Asia. The airport is currently the World's busiest cargo gateway and one of the world's busiest passenger airports.
The Hong Kong International Airport is also home to one of the world's largest passenger terminal buildings (the largest when opened in 1998). It is operated by the Airport Authority Hong Kong, 24 hours a day, and is the primary hub for Cathay Pacific, Dragonair, Hong Kong Airlines, Hong Kong Express Airways and Air Hong Kong (cargo). The airport is one of the hubs of Oneworld alliance, and it is also one of the hubs of Asian-Pacific cargo hubs for UPS Airlines. It is a focus city for many airlines, including China Airlines and China Eastern Airlines, which serves 18 flights to Hong Kong per day (one direction) from 15 cities. Virgin Atlantic, United and Air India use Hong Kong as a stopover point for flights respectively from London to Sydney, from Tokyo to Singapore and Ho Chi Minh City as well as from India to Osaka and Seoul.
HKIA is an important contributor to Hong Kong's economy, with approximately 60,000 employees. About 90 airlines operate flights from the airport to over 150 cities across the globe. In 2012 HKIA handled 56,057,751 passengers, making it the 12th busiest airport worldwide by passenger traffic. It also surpassed Memphis International Airport to become the world's busiest airport by cargo traffic.