Tambaram is a city and the headquarters of Tambaram Taluk within Chengalpattu district in the Indian state of Tamil Nadu. It is located on the south western end of the Chennai city and comes within the Chennai Metropolitan Area. The city is governed by Tambaram City Municipal Corporation.

Chengalpattu District is one of the 38 districts of Tamil Nadu, in India. The district headquarters is located at Chengalpattu. Chengalpattu district came into existence on 29 November 2019 when it was carved out of Kanchipuram district after the announcement about the bifurcation of districts on 18 July 2019.