Kajang is a town in Hulu Langat District, Selangor, Malaysia. Kajang, along with much of Hulu Langat District, is governed by the Kajang Municipal Council. Kajang town is located on the eastern banks of the Langat River. It is surrounded by Cheras, Semenyih, Bangi, Putrajaya and Serdang. According to the 2020 census, the local authority area (which includes Kajang) has a population of 1.05 million people.