The density of  residents in Chennai Madras is 7,133.2/km 2  (18,537.9/sq mi) . The mayor of Chennai Madras is Pedrito Tomas Pereira Caballero . Area: 116 km2 (45 sq mi) is the area of the city namedChennai Madras . The city has the postal code 080020 . The demonym of the city Chennai Madras is Capetonian . This city is named after Cartagena, Spain . The city Chennai Madras province is Sindh . The water area of the city is 0.49 sq mi (1.27 km 2 ) . The Chennai Madras city highest elevation is 1,390 m (4,560 ft) . The urban region is 606.5 sq km (234.2 sq mi) in area . 14°41′34″N 17°26′48″W﻿ / ﻿14.69278°N 17.44667° are the coordinates of the city. . The density of  inhabitents in  the metro region of Chennai Madras is 4,300/km 2  (11,000/sq mi) (2019) . On March 6, 1836 (city) the city was incorporated . The population of the metro region is Population: 13,123,948 . Chennai Madras is the government of Ministry of Culture . Chennai Madras is at an elevation of 10 m . +966-12 is the area code of Chennai Madras . 7,500/km 2  (19,000/sq mi) is the density of people in  the urban region of Chennai Madras . The lowest elevation of Chennai Madras is 5,740 ft 
The city is at a height of 20 ft