The city land area is 527 km 2  (203 sq mi) . 4,500 sq mi (11,700 km 2 ) is the area of the metro region of Chennai, Madras . 22 is the area code of Chennai, Madras . 1,300/km 2  (3,400/sq mi) is the density of residents in Chennai, Madras . 2,121 km 2  (819 sq mi) is the area of the city namedChennai, Madras . The city water area is 430 km 2  (165 sq mi)  33% . Chennai, Madras is named for Quitu . Chennai, Madras is at an elevation of 272.21 ft . The city Chennai, Madras demonym is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . The city Chennai, Madras province is Misamis Oriental (geographically only) . The urban region has 1,592,492 (2016 Census) population . The mayor of Chennai, Madras is Faud al Muhammed Sisi . The density of  inhabitents in  the metro region of Chennai, Madras is 2,500/km 2  (6,600/sq mi) . The density of  residents in  the urban region of Chennai, Madras is 464.71/km 2  (1,203.6/sq mi) . The coordinates of the city are 35°41′49″N 0°37′59″W﻿ / ﻿35.69694°N 0.63306°W . The lowest elevation of Chennai, Madras is 0 ft . Chennai, Madras is located in Republic of the Congo . The postal code of the city is 1100
Less than 1126 km 2 area of the city Chennai, Madras is land