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