The city has the postal code 9XXXXXX . The city is Area: 619 km2 (239 sq mi) in area . The density of  inhabitents in Chennai, Madras is 2,700/km 2  (7,000/sq mi) . The density of  inhabitents in  the urban region of Chennai, Madras is 5,400/sq km  (14,000/sq mi) . The mayor of Chennai, Madras is Cynthia Viteri . Chennai, Madras is at an elevation of 2760 ft . The area of the metro region is Area: 1,152 km2 (445 sq mi) . The urban region is Area : 251 km2 (97 sq mi) in area . Chennai, Madras is located in Angkor, Siem Reap, Cambodia . The lowest elevation of Chennai, Madras is 1 m  . Chennai, Madras is the government of National Park Service . The city land area is 11,609.91 km 2  (4,482.61 sq mi) .  The city area code is +966-12 . On 1842 the city was incorporated . The demonym of the city Chennai, Madras is Indori . The coordinates of the city are 0°57′50″N 74°47′47″W﻿ / ﻿10.96389°N 74.79639°W . The province of the city Chennai, Madras is Santiago Province . The density of  inhabitents in  the metro region of Chennai, Madras is 1,275/km 2  (3,300/sq mi) . The Chennai, Madras city highest elevation is 2,715 m (8,907 ft)
The city Chennai, Madras is 3300/sq mi populace in it's metro region