Kajang is a town in south-eastern Selangor, Malaysia. It is located 20 km south-east of downtown Kuala Lumpur, in the coterminous mukim (commune) of Kajang in the Hulu Langat District. Kajang has multiple shopping complexes. The Billion Shopping Center formerly in Kajang town and now it is relocated to Bandar Teknologi Kajang. Other shopping centres located are Metro Plaza Kajang, Metro Point and Kompleks Kota Kajang. Metro Avenue is a new shopping district located opposite SMJK Yu Hua Kajang and Kajang High School.
Kajang has a population of over 342,700 people. Kajang also forms part of the wider Kuala Lumpur metropolitan area which has a population of over 7,564,000 people.