South Delhi is an administrative district of the National Capital Territory of Delhi in India with its headquarters in Saket. Administratively, the district is divided into three subdivisions, Saket, Hauz Khas, and Mehrauli. It is bounded by the Yamuna River to the east, the districts of New Delhi to the north, Faridabad District of Haryana state to the southeast, Gurgaon District of Haryana to the southwest, and South West Delhi to the west.
South Delhi has a population of 2,731,929 (2011 census), and an area of 250 square kilometres (97 sq mi), with a population density of 9,034 persons per km2 (23,397 persons per mi2).
The South Delhi neighborhood of Hauz Khas is witnessing the growth of trendy shops and lodgings. It is now becoming the center for domestic and international tourists and backpackers. The area also is home to historical monuments and has easy access to the Delhi Metro, making it a preferred location for many visitors to India and domestic middle-class visitors from other Indian states. The area attracts young tourists with numerous hip hostels and cafes.The division shown on the map bears only administrative significance, as to the common citizen, broadly speaking Delhi is vaguely ring-like, having five regions, namely North, West, South, East and Central. The usage of the term South Delhi in day-to-day life expands from Delhi's IGI Airport in the New Delhi district to the river Yamuna in the South East, a region protruding into administrative South West Delhi district.