Chennai district

Chennai district, formerly known as Madras district, was one of the 32 districts in the Tamil Nadu state of India. It is the smallest district of Tamil Nadu but has the highest population density. Most of the Chennai Metro region comes under this district.
Demographics.
According to the 2011 census, the population of the Chennai district is 4,646,732. The male population is 2,335,844 and female population is 2,310,888. The literacy rate is 90.18%. The density of population in this district is 26,553 people per square kilometre. The sex ratio is 989 females per 1000 males.
Administrative divisions.
Chennai district is divided into various taluks for administration purposes. They are:
Geographical area.
The total area of the Chennai district is . The district is in the Coromandel coast of the Bay of Bengal. The Guindy National Park region covers of reserved forest. The waterways here are the Cooum River, Adyar River, Buckingham Canal and Otteri Nullah stream.