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Geographical Position
Thiruvallur district, a newly formed district bifurcated from the erstwhile
Chengalpattu district (on 1st January 1997), is located in the North East
part of Tamil Nadu.
North Latitude between 12°15' and 13°15'
East Longitude between 79°15' and 80°20'
The district is surrounded by Kancheepuram district in the South, Vellore
district in the West. Bay of Bengal in the East and Andhra Pradesh State in
the North. The district spreads over an area of about 3422 Sq.kms.
An insight into the early history of this region shows that the region was
reined by kingdoms such as the Pallavas, the Golkondas, the Mughals, the
French, the Dutch and also the British.
Physical Features
The Coastal region is mostly flat while certain areas in Tiruttani and
Pallipattu taluks are undulated and even hilly. The types of soil
predominantly found are red non-calcareous and coastal alluvial. Also found
are sandy soil mixed with soda or other alkali.
The soil found in the coastal region is of the erinaceous type (sandy),
suitable for casuarinas plants.
Population
The population of the district is 27,38,866 persons with 51% male and 49%
female as per the census 2001 (provisional).
Population Distribution
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