The city Chennai, Madras demonym is Brasiliense . The city is Area: 116 km2 (45 sq mi) in area . Chennai, Madras is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) . Chennai, Madras is at an elevation of 13 m . The population of the urban region is 3,372,090 . The postal code of the city is 21500 . The city water area is 1.420 sq mi (3.677 km 2 )  13.73% . The land area of the city is 314.95 sq mi (815.72 km 2 ) . On September 20, 1917 the city was incorporated . The lowest elevation of Chennai, Madras is 1,750 m . 1,100/km 2  (2,800/sq mi) is the density of people in Chennai, Madras . The population of the metro region is 16,100,000 . The density of  people in  the urban region of Chennai, Madras is 4,800/km 2  (12,000/sq mi) . +966-12 is the area code of Chennai, Madras . Chennai, Madras is the government of Bristol City Council . 26°10′S 28°18′E﻿ / ﻿26.167°S 28.300°E are the coordinates of the city. . The mayor of Chennai, Madras is Armand Béouindé (since 2016) . The highest elevation of Chennai, Madras is 770 m (2,530 ft) . Chennai, Madras is located in Zulia . The city province is Cebu (geographically only)
45 sq mi is the area of Chennai, Madras