AirAsia is a Malaysian low-cost airline headquartered near Kuala Lumpur, Malaysia. It is the largest airline in Malaysia by fleet size and destinations, and Asia's largest low-cost airline by passengers carried and jet fleet. AirAsia Group operates scheduled domestic and international flights to 120 destinations spanning 24 countries. Its main hub is klia2, the low-cost carrier terminal at Kuala Lumpur International Airport (KLIA) in Sepang, Selangor, Malaysia. Its affiliate airlines Thai AirAsia, Indonesia AirAsia, Philippines AirAsia, and AirAsia India have hubs in Don Mueang International Airport, Soekarno–Hatta International Airport, Ninoy Aquino International Airport, and Kempegowda International Airport respectively, while its sister airline, AirAsia X, focuses on long-haul routes. AirAsia's registered office is in Petaling Jaya, Selangor while its head office is at Kuala Lumpur International Airport.