Nanganallur has been one of the southern suburbs of Chennai

Chennai

Chennai , formerly known as Madras or Madarasapatinam , is the capital city of the Indian state of Tamil Nadu, located on the Coromandel Coast off the Bay of Bengal. Chennai is the fourth most populous metropolitan area and the sixth most populous city in India...

 till September 2011, but it is now a part of Chennai Corporation in Tamil Nadu

Tamil Nadu

Tamil Nadu is one of the 28 states of India. Its capital and largest city is Chennai. Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the union territory of Pondicherry, and the states of Kerala, Karnataka, and Andhra Pradesh...

. It is a residential area close to the Chennai International Airport

Chennai International Airport

Chennai International Airport , formerly known as Madras International Airport is located in Tirusulam, south of Chennai , India...

.
As of 2001 India census, Nanganallur has a population of 52,230. The suburb has Hindus, Muslim and Christian population in various proportion and distributed in various regions. Hindus, mostly Tamil Brahmins, form the majority and people from outside Tamil Nadu

Tamil Nadu

Tamil Nadu is one of the 28 states of India. Its capital and largest city is Chennai. Tamil Nadu lies in the southernmost part of the Indian Peninsula and is bordered by the union territory of Pondicherry, and the states of Kerala, Karnataka, and Andhra Pradesh...

 are also represented with a significant number.