Delhi, officially the National Capital Territory of Delhi or NCT, is a city and a union territory of India.
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It is bordered by Haryana on three sides and by Uttar Pradesh to the east. The NCT covers an area of. According to 2011 census, Delhis city population was about 11 million,
recent estimates of the metro economy of its urban area have ranked Delhi either the top or second most productive metro area of India.
Delhi is the second wealthiest city after Mumbai in India, with a total wealth of $450 billion and home to 18 billionaires and 23,000 millionaires.
Delhi has been continuously inhabited since the 6th century BC. Through most of its history, Delhi has served as a capital of various kingdoms and empires. It has been captured, ransacked and rebuilt several times, particularly during the medieval period, and modern Delhi is a cluster of a number of cities spread across the metropolitan region. A union territory, the political administration of the NCT of Delhi today more closely resembles that of a state of India, with its own legislature, high court and an executive council of ministers headed by a Chief Minister. New Delhi is jointly administered by the federal government of India and the local government of Delhi, and is the capital of the NCT of Delhi. Delhi hosted the first and ninth Asian Games in 1951 and 1982 respectively, 1983 NAM Summit, 2010 Mens Hockey World Cup, 2010 Commonwealth Games, 2012 BRICS Summit and was one of the major host cities of the 2011 Cricket World Cup.
Delhi is also the centre of the National Capital Region, which is a unique interstate regional planning area created by the National Capital Region Planning Board Act of 1985.

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