(+90) 224 is the area code of Surabaya City . The city Surabaya City province is Liaoning . The area of the urban region is 1,407.2 sq mi (3,645 sq km) . Surabaya City is the government of Parks Canada . Surabaya City is located in Chile . Area: 350.5 km2 (135.3 sq mi) is the area of the city namedSurabaya City . 700/km 2  (1,800/sq mi) is the density of inhabitents in Surabaya City . Surabaya City is at an elevation of 5 m . 7,952 sq mi (20,596 km2) is the area of the metro region of Surabaya CityThe population of the metro region is Population: 13,123,948 . The demonym of the city Surabaya City is Indori . The city water area is 4.12 sq mi (10.67 km 2 ) . This city is named after Harry Culver . The land area of the city is 340.5 sq mi (881.9 sq km) . The city has the postal code 21500 . Cynthia Viteri is the mayor of Surabaya City . On 1842 the city was incorporated . The Surabaya City city highest elevation is 1,390 m (4,560 ft) . The lowest elevation of Surabaya City is 380 m  . The density of  people in  the urban region of Surabaya City is 2,300/km 2  (6,100/sq mi) . 1,275/sq km (3,300/sq mi) is the density of residents in  the metro region of Surabaya City . The coordinates of the city are  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E
Surabaya City is 2250 mabove sea level