The metro region is Area: 5,925 km2 (2,288 sq mi) in area . The density of  inhabitents in  the urban region of Surabaya City is 2,305/km 2  (5,970/sq mi) . The city land area is 16.0 sq mi (41.4 km 2 ) . The Surabaya City city highest elevation is 14,110 ft (4,300 m) . Surabaya City is located in Chile . The city province is Guayas . 026 is the area code of Surabaya City . The Surabaya City citys' lowest elevation is 0 ft . On 1871 (Huntington) the city was incorporated . The mayor of Surabaya City is Hou You-yi (KMT) . The density of  inhabitents in Surabaya City is 4,097/km 2  (10,610/sq mi) . Area: 350.5 km2 (135.3 sq mi) is the area of the city namedSurabaya CityPopulation (2016) : 1,200,337 is the population of Surabaya City . The coordinates of the city are 39°08′N 117°11′E﻿ / ﻿39.133°N 117.183°E . This city is named after Christopher Columbus . Surabaya City is at an elevation of 455 m . The city Surabaya City demonym is Saigonese . The area of the urban region is Area: 2,787 km2 (1,076 sq mi)2,947,722 is the population of the urban region of Surabaya City . The postal code of the city is 21500 . The density of  residents in  the metro region of Surabaya City is 1,352.5/km 2  (3,527/sq mi)
On 1871 (Huntington) the city was awarded the legal declaration of a municipal charter.