|• Total||58.08 km2 (22.42 sq mi)|
|Time zone||IST (UTC+5:30)|
Maraimalai Nagar is a suburb of the southern Indian city of Chennai. Maraimalai Nagar and its surrounding areas are referred to as "New Chennai" by the media, due to recent industrial development around this area. It is a Satellite town developed by CMDA in the Year 1980. Before that it was a forest land. This Town is formed and named as Maraimalai Nagar for the remembrance of Maraimalai Adigalar, a modern age Tamil poet. Many heavy industries are located in Maraimalai Nagar. The Ford India and BMW car factories is located within a mile of Maraimalai Nagar and the Indian software giant Infosys also has an office within eight kilometers of Maraimalai Nagar.Also SRM university has its main campus in potheri. 
Maraimalai Nagar Municipality comprises Kattankulathur, Potheri, Thirukatchur and Peramanur villages and was constituted as Third grade Municipality in 2004. In 2010, it is upgraded as Special Grade Municipality. The town is divided into 21 wards. The extent of Municipal Area is 58.08 km2. Maraimalai Nagar is also very near to Oragadam - a new investment destination near Chennai.
Maraimalai Nagar is the Head quarters town of Maraimalai Nagar taluk in Kancheepuram district. Maraimalai Nagar town is located in the south direction at a distance of 40 km from chennai. It is situated at 12'41'30" latitude and 74'58'00" longitude and 28m elevated from M.S.L.
Maraimalai Nagar has the location advantage in terms of transportation net work. The town is well connected by rail and road, Chennai - Dindigul National Highway No.45 passes through the Town. Chennai-Trichy Broad-gauge railway lines passes through the town.
Acharapakkam Town and Melmaruvathur Temple town lies 20km and 15 km south of the Town. Chengalpattu Town is 25km on the northern side from Madurantakam, Cheyyur Town lies 25 km east of the town and Madurantakam, Cheyyur Road joins with the Chennai - Pondy East coast Road.
Maraimalai Nagar has a railway station, bus stand, upgraded primary health care [GOVNT], telephone exchange, electricity office, post office, police station and higher secondary schools. The suburb is close to SRM University and its group of institutions: (Valliammai Engineering College, SRM School of Management, SRM Medical College, SRM Hospital, Valliammai Polytechnic, SRM Polytechnic, SRM Institute of Hotel Management, SRM Arts and Science, SRM Pharmacy) which are located in Potheri, 2 kilometres (1.2 mi) from Guduvancheri. It is becoming the largest residential area between Tambaram and Chengalpet because of the IT companies in and around Maraimalai Nagar like Accenture, Ford, Mahindra World City and SEZ.
As of the census of India 2001, Marailmalainagar had a population of 48,463 comprising 25,309 males and 23,154 females, making the sex ratio (number of females per thousand males) of the town to 915. A total of 5,813 people were under six years of age and the child sex ratio (number of females per thousand males under six years of age) stood at 917. The town had an average literacy of 80.42%, higher than the national average of 59.5%. A total of 11,128 comprising 26.09% of the population belonged to Scheduled Castes (SC) and 242 comprising 0.57% of the population belonged to Scheduled tribes (ST). There were are total of 10,939 households in the town. As of 2001, Marailmalainagar had a total of 13,120 main workers: 313 cultivators, 483 agricultural labourers, 446 in house hold industries and 11,878 other workers. There was a total of 3,701 marginal workers: 71 marginal cultivators, 1,029 marginal agricultural labourers, 383 marginal workers in household industries and 2,218 other marginal workers.
777.83 Hectares of Lands are Cultivated in Maraimalai Nagar Area Main Crops Cultivated in this area are Paddy, Sugarcane, Groundnut, raggi, etc., Water sources for irrigation: Palar River water source, Nandhivaram-Guduvanchery river water source and Local sources
Maraimalai Nagar is well connected to other parts of city by road and the Chennai Suburban Railway Network , it is also good connectivity with Chengalpattu and southern cities through road and rail.