Chennai, with historically rich records dating at least from the time of the Pallavas, houses 2,467 heritage buildings within its metropolitan area (CMA), the highest within any metropolitan area limit in India. Most of these buildings are around 200 years old and older. Chennai is home to the second largest collection of heritage buildings in the country, after Kolkata. The official list of heritage buildings was compiled by the Justice E. Padmanabhan committee. The Tamil Nadu Assembly passed the Heritage Commission Act in 2012 to preserve old heritage structures.

The Madras High Court is a High Court in India. It has appellate jurisdiction over the state of Tamil Nadu and the union territory of Puducherry. It is located in Chennai, and is one of the oldest high courts of India along with Calcutta High Court in Kolkata and Bombay High Court in Mumbai. The Madras High Court is one of four charter high courts of colonial India established in the four Presidency Towns of Madras, Bombay, Allahabad and Calcutta by letters patent granted by Queen Victoria, dated 26 June 1862. It exercises original jurisdiction over the city of Chennai, as well as extraordinary original jurisdiction, civil and criminal, under the letters patent and special original jurisdiction for the issue of writs under the Constitution of India. Covering 107 acres, the court complex is one of the largest in the world, second only to the Supreme Court of the United Kingdom. The four-storey administrative building attracts hundreds of litigants every day.