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