The city Chennai Madras demonym is Durbanite . 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W are the coordinates of the city. . The density of  people in  the urban region of Chennai Madras is 2,300/km 2  (6,100/sq mi) . The Chennai Madras citys' lowest elevation is 246 ft . On 1842 the city was incorporated . Chennai Madras is at an elevation of 3250 ft . The city water area is 4.46 sq km  (1.72 sq mi) . The city province is Lusaka Province . 13,542,900 is the population of the metro region of Chennai Madras . The city land area is 840 km 2  (325 sq mi) .  The city area code is 01 . The density of  residents in Chennai Madras is 9,821/km 2  (25,436/sq mi) (2017) . Chennai Madras is located in South Africa . The highest elevation of Chennai Madras is 33 m (108 ft) . The city has the postal code 95100 . The urban region has Population (2014): 5,160,512 population . The area of the city is Area: 223 km2 (86 sq mi) . Oscar Malapitan is the mayor of Chennai Madras
75 m  is the lowest point in Chennai Madras