Bandaranaike International Colombo Airport (CMB) is the largest and busiest airport in Sri Lanka, serving as the primary hub for international air travel to and from the country. Located in Katunayake, approximately 30 kilometres north of Colombo, it handles the vast majority of the nation's international passenger and cargo traffic. Named after former Prime Minister Solomon Bandaranaike, the airport is operated by Airport and Aviation Services (Sri Lanka) Limited. It serves as the main hub for SriLankan Airlines, the national carrier, and handles tens of millions of passengers in peak years. The airport has undergone significant expansions and modernisation efforts, including upgrades to its terminal and airside infrastructure, to accommodate growing passenger volumes and larger aircraft serving key routes across Asia, the Middle East, and Europe.