Singapore Changi Airport, commonly known as Changi Airport (IATA: SIN, ICAO: WSSS), is a major civilian airport that serves Singapore, and is one of the largest transportation hubs in Asia. It is one of the world's busiest airports by international passenger and cargo traffic. The airport is located in Changi, at the eastern end of Singapore, approximately 20 kilometres northeast from Marina Bay (Singapore's Downtown Core), on a 13-square-kilometre (5.0 sq mi) site. The airport is operated by Changi Airport Group and it is the home base of Singapore Airlines, Singapore Airlines Cargo, SilkAir, Scoot, Jetstar Asia Airways and BOC Aviation.
In 2018, Changi served 65,628,000 passengers, making it the 19th busiest airport in the world.
The airport has a 40-meter waterfall (the world's largest indoor one), a 14,000 square meter Canopy Park, complete with a suspension bridge, topiary and mazes, and one of Asia's largest indoor gardens with 3,000 trees and 60,000 shrubs.