The city has the postal code 3000 00 -  3019 00 . Area: 5,925 km2 (2,288 sq mi) is the area of the metro region of Chennai Madras . This city is named after Moses Cleaveland . The coordinates of the city are 20°10′12″S 28°34′48″E﻿ / ﻿20.17000°S 28.58000°E . The Chennai Madras city highest elevation is 424 m (1,391 ft) . Chennai Madras is located in Coruña, Galicia, Spain . The land area of the city is 840 km 2  (325 sq mi) . The mayor of Chennai Madras is Maung Maung Soe . The demonym of the city Chennai Madras is Alexandrian, Alexandrine (Arabic: إسكندراني‎) . 662.1/km 2  (1,715/sq mi) is the density of people in  the metro region of Chennai Madras . +56 2 is the area code of Chennai Madras . The lowest elevation of Chennai Madras is 1,750 m . The area of the urban region is 11,609.91 km 2  (4,482.61 sq mi) . The city was incorporated in March 6, 1836 (city) . The water area of the city is 3.73 sq mi (9.67 km 2 ) . Chennai Madras is the government of Swedish Ice Hockey Association . Chennai Madras is at an elevation of 320 ft . The city is 89.63 sq mi (232.14 km 2 ) in area . The density of  residents in Chennai Madras is 700/km 2  (1,800/sq mi) . 2,300/km 2  (6,100/sq mi) is the density of residents in  the urban region of Chennai Madras
There are 2300 residents per km 2 in the urban region of Chennai Madras