Delhi Cantt is located in the South-West District of New Delhi near Janakpuri. The Delhi International Airport is located 5 Kms away from Cantt and Delhi Cantt has a Railway station called the Delhi Cantt Railway Station. Today, Delhi Cantonment is home to the Headquarters of the Area of Indian Army, Delhi. Delhi Cantonment conveniently referred to as Delhi Cantt is one of the ULB’s that make up the National Capital Territory of Delhi with an area of 10452 acres. With a population of 1,10,351 (as per the 2011 census), Delhi Cantt is managed by the Delhi Cantonment Board which  is presently under the Ministry of Defence. The body is controlled by the Cantonments Act of 2006 and its head office is located in the Sadar Bazar area.

Summers start in early April, with average temperatures near 40°C (90 °F), although occasional heat waves can result in highs close to 45 °C (114 °F) on some days and therefore higher apparent temperature. The monsoon starts in late June and lasts until mid September, with about 797.3 mm (31.5 inches) of rain. The average temperatures are around 29 °C (85 °F), although they can vary from around 25 °C (78 °F) on rainy days to 32 °C (90 °F) during dry spells. The monsoons recede in late September, and the post-monsoon season continues till late October, with average temperatures sliding from 29 °C to 21 °C.

Winter starts in late November or early December and peaks in January, with average temperatures around 12–13 °C (54–55 °F).Although winters are generally mild, Delhi’s proximity to the Himalayas results in cold waves leading to lower apparent temperature due to wind chill. They end in early February, and are followed by a short spring until the onset of the summer.