Chennai , the capital of Tamil Nadu state forms one of the developed urban centres of India. Located towards the south east and along the coastal plains of India, the city is popular for more than one reason. The city represents one of the developed trade centres of India. It is one amongst the four metropolitan city's and the smallest one in the sub continent. Some important facts about the city are as:
| State: | Tamil Nadu |
| City: | Chennai |
| Status: | Metropolitan city |
| Former Name: | Madras |
| Area: | 174 square kilometres |
| Population: | 4.2 million (2001 census) |
| Location: | South East India - 13.04 °N, 80.17 °E |
| Population Density: | 24,231 persons per square kilometre |
| Literacy Rate: | 80.14 % |
| Climate: | Tropical Climate |
| Weather: | Hot and Humid |
| Regional Language: | Tamil, English, Hindi, Urdu, Malayalam |
| Mean Temperatures: | 37 °C Summer, 24 °C Winter |
| Average Rainfall: | 1300 mm |
| Industries: | Automobile, IT, Petrochemicals, Textiles, Apparels |
| Transportation: | Roadways, Railways, Airways and Water Transportation |
| Airports: | Chennai International Airport |
| Airport Terminals: | National as well as International |
| Ports: | Chennai Port Ennore Port |
| Railway Terminals: | Chennai Central, Chennai - Egmore |
| Distance from other metropolitan cities: | Calcutta - 1676 kms, Delhi - 2095 kms, Mumbai - 1329 kms |
| Distance from Nearby Cities: | Kancheepuram - 75 kms, Bangalore - 334 kms, Pondicherry - 162 kms, Tirupati - 154 kms, Mamallapuram - 58 kms, Vellore - 145 kms |
| Foreign Banks: | Bank Of America, Bank Of Tokyo-mitsubishi, CitiBank, ECGC OF INDIA LTD, Ryan Services, Standard Chartered Bank |
