The water area of the city is 28.08 km 2  (10.84 sq mi) . 9,014.3 sq mi (3,843.8 km2) is the area of the urban region of Hanoi . On 1900 the city was incorporated . Hanoi is at an elevation of 1397 m . Hanoi is the government of Bristol City Council . The Hanoi city highest elevation is 2,715 m (8,907 ft) . The city Hanoi demonym is Cartagenero(s) (in Spanish) . 4,800/km 2  (12,000/sq mi) is the density of people in  the urban region of Hanoi . 20°10′12″S 28°34′48″E﻿ / ﻿20.17000°S 28.58000°E are the coordinates of the city. . The postal code of the city is 080020 . 1,352.5/km 2  (3,527/sq mi) is the density of inhabitents in  the metro region of Hanoi . Hanoi is named for Henry E. Huntington . 4,097/km 2  (10,610/sq mi) is the density of residents in Hanoi . Hanoi is located in Georgia . The metro region has 8,653,521 , 8,917,749 (Extended UA) population . Population: 639,598 (2014-urban, others 2013) is the population of Hanoi
There are less than 4763 people per km 2 in the urban region of Hanoi