The 2010 Commonwealth Games, officially known as the XIX Commonwealth Games and commonly known as Delhi 2010, was an international multi-sport event for the members of the Commonwealth that was held in Delhi, India, from 3 to 14 October 2010. A total of 4352 athletes from 71 Commonwealth nations and dependencies competed in 21 sports and 272 events, making it the largest Commonwealth Games to date. It was also the largest international multi-sport event to be staged in Delhi and India, eclipsing the Asian Games in 1951 and 1982. The opening and closing ceremonies were held at the Jawaharlal Nehru Stadium, the main stadium of the event.

Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Lying on both sides of the Yamuna river, but chiefly to the west, or beyond its right bank, Delhi shares borders with the state of Uttar Pradesh in the east and with the state of Haryana in the remaining directions. Delhi became a union territory on 1 November 1956 and the NCT in 1995. The NCT covers an area of 1,484 square kilometres (573 sq mi). According to the 2011 census, Delhi's city proper population was over 11 million, while the NCT's population was about 16.8 million.