Tiruvallur District is bordered by
in the south,
in the west, the
Bay of Bengal
in the east and the state of Andhra Pradesh
in the north. Spread over an area of 3,422 sq km, Tiruvallur District has a population of 2.7 million. The languages spoken are
. It receives an average rainfall of 1,104 mm and the temperature varies from 18° C to 37° C.
The main crops are rice, ragi, green gram, black gram, sugarcane and groundnut. Mango,
guava and vegetables are also cultivated. Madras Refineries, Madras Fertilizers, Manali Petro Chemicals, MRF, Ashok Leyland, TI Cycles, Britannia India Ltd, Parry India Ltd and Hindustan Motors are the major industries.
The religious places in Tiruvallur District are Devi Karumariamman Temple at Thiruverkadu, Lord Arulmigu Subramaniya Swami Temple at
Tiruttani, Veeraraghavaswami Temple at Tiruvallur, Murugan Temple at Ponneri and Vadivudaiamman Temple at Tiruvottiyur. Poondi Reservoir,
Pazhayanur and Poovirundavalli are the major tourist destinations.