Chennai Madras is at an elevation of 33 ft . 4,300/km 2  (11,000/sq mi) (2019) is the density of residents in  the metro region of Chennai Madras . The area of the city is Area: 116 km2 (45 sq mi) . Chennai Madras is the government of Ministry of Culture . This city is named after Cartagena, Spain . On March 6, 1836 (city) the city was incorporated . 606.5 sq km (234.2 sq mi) is the area of the urban region of Chennai Madras . The coordinates of the city are 14°41′34″N 17°26′48″W﻿ / ﻿14.69278°N 17.44667° . The city water area is 0.49 sq mi (1.27 km 2 ) . The highest elevation of Chennai Madras is 1,390 m (4,560 ft) . The population of the metro region is Population: 13,123,948 . The province of the city Chennai Madras is Sindh .  The city area code is +966-12 . Pedrito Tomas Pereira Caballero is the mayor of Chennai Madras . The demonym of the city Chennai Madras is Capetonian . The density of  residents in  the urban region of Chennai Madras is 7,500/km 2  (19,000/sq mi) . The lowest elevation of Chennai Madras is 1,750 m . 7,133.2/km 2  (18,537.9/sq mi) is the density of residents in Chennai Madras . The postal code of the city is 080020
Chennai Madras was constituted as a city in March 6, 1836 (city)