The city Chennai Madras demonym is Durbanite . Chennai Madras is located in South Africa . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Chennai Madras . The Chennai Madras city highest elevation is 33 m (108 ft) . Chennai Madras is at an elevation of 3250 ft . The land area of the city is 840 km 2  (325 sq mi) . The metro region has 13,542,900 population . The lowest elevation of Chennai Madras is 75 m  . 9,821/km 2  (25,436/sq mi) (2017) is the density of people in Chennai Madras . The province of the city Chennai Madras is Lusaka Province . On 1842 the city was incorporated .  The city area code is 01 . The postal code of the city is 95100 . Area: 223 km2 (86 sq mi) is the area of the city namedChennai Madras . The urban region has Population (2014): 5,160,512 population . 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W are the coordinates of the city. . The water area of the city is 4.46 sq km  (1.72 sq mi) . The mayor of Chennai Madras is Oscar Malapitan
86 sq mi is covered by the city