41°18′N 69°16′E﻿ / ﻿41.300°N 69.267° are the coordinates of the city. . The water area of the city is 41.21 sq mi (106.73 km 2 ) . Hanoi is named for Calgary, Mull . The density of  people in Hanoi is 2,500/km 2  (6,400/sq mi) . 4,800/km 2  (12,000/sq mi) is the density of residents in  the urban region of Hanoi . The city is Area : 499 km2 (193 sq mi) in area . Hanoi is located in Kano State . Federico Gutiérrez, 2016-2019 is the mayor of Hanoi . The population of the urban region is 3,039,444 . The city land area is 316.42 km 2  (122.17 sq mi) . Hanoi is at an elevation of 0.9 m . The population of the metro region is Population: 3,743,854 (6th) (2012) . The postal code of the city is 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 .  The city area code is +966-12 . The highest elevation of Hanoi is 2,715 m (8,907 ft) . Hanoi is the government of U.S. National Park Service . The density of  inhabitents in  the metro region of Hanoi is 1,275/km 2  (3,300/sq mi) . The city province is Davao del Sur  (geographically only)
The city Hanoi is 12000/sq mi populace in it's urban region