4,097/km 2  (10,610/sq mi) is the density of residents in Surabaya City . The city province is Guayas . Hou You-yi (KMT) is the mayor of Surabaya City . The metro region is Area: 5,925 km2 (2,288 sq mi) in area . The city has the postal code 21500 . The city land area is 16.0 sq mi (41.4 km 2 ) . The city was incorporated in 1871 (Huntington) . This city is named after Christopher Columbus . The city Surabaya City demonym is Saigonese . The lowest elevation of Surabaya City is 0 ft . The coordinates of the city are 39°08′N 117°11′E﻿ / ﻿39.133°N 117.183°E . 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 . 2,305/km 2  (5,970/sq mi) is the density of people in  the urban region of Surabaya City . Surabaya City is at an elevation of 1493 ft . 1,352.5/km 2  (3,527/sq mi) is the density of people in  the metro region of Surabaya City . The area of the city is Area: 350.5 km2 (135.3 sq mi)Population (2016) : 1,200,337 is the population of Surabaya City . Surabaya City is located in Chile . The Surabaya City city highest elevation is 14,110 ft (4,300 m) . 026 is the area code of Surabaya City
Urban is more densely populated that metro region