Chennai Madras is the government of Ministry of Culture . The city water area is 0.49 sq mi (1.27 km 2 ) . The postal code of the city is 080020 .  The city area code is +966-12 . The coordinates of the city are 14°41′34″N 17°26′48″W﻿ / ﻿14.69278°N 17.44667° . The density of  residents in Chennai Madras is 7,133.2/km 2  (18,537.9/sq mi) . The Chennai Madras city highest elevation is 1,390 m (4,560 ft) . The Chennai Madras citys' lowest elevation is 5,740 ft  . The demonym of the city Chennai Madras is Capetonian . Area: 116 km2 (45 sq mi) is the area of the city namedChennai Madras . Population: 13,123,948 is the population of the metro region of Chennai Madras . 606.5 sq km (234.2 sq mi) is the area of the urban region of Chennai Madras . The province of the city Chennai Madras is Sindh . Pedrito Tomas Pereira Caballero is the mayor of Chennai Madras . This city is named after Cartagena, Spain . The density of  residents in  the urban region of Chennai Madras is 7,500/km 2  (19,000/sq mi) . On March 6, 1836 (city) the city was incorporated . The density of  inhabitents in  the metro region of Chennai Madras is 4,300/km 2  (11,000/sq mi) (2019) . Chennai Madras is at an elevation of 33 ft
160 sq mi is covered by the city