The Chennai Madras city highest elevation is 1,390 m (4,560 ft) . The province of the city Chennai Madras is Sindh . 7,500/km 2  (19,000/sq mi) is the density of people in  the urban region of Chennai Madras . The city water area is 0.49 sq mi (1.27 km 2 ) . The area of the urban region is 606.5 sq km (234.2 sq mi) . On March 6, 1836 (city) the city was incorporated . +966-12 is the area code of Chennai Madras . Population: 13,123,948 is the population of the metro region of Chennai Madras . Chennai Madras is named for Cartagena, Spain . The postal code of the city is 080020 . The area of the city is Area: 116 km2 (45 sq mi) . The density of  inhabitents in  the metro region of Chennai Madras is 4,300/km 2  (11,000/sq mi) (2019) . 7,133.2/km 2  (18,537.9/sq mi) is the density of residents in Chennai Madras . 14°41′34″N 17°26′48″W﻿ / ﻿14.69278°N 17.44667° are the coordinates of the city. . Chennai Madras is at an elevation of 10 m . Chennai Madras is the government of Ministry of Culture . Pedrito Tomas Pereira Caballero is the mayor of Chennai Madras . The demonym of the city Chennai Madras is Capetonian . The Chennai Madras citys' lowest elevation is 1,750 m
Less than 0 km 2 area of the city Chennai Madras is water