700/km 2  (1,800/sq mi) is the density of inhabitents in Surabaya City . The urban region is 1,407.2 sq mi (3,645 sq km) in area . Cynthia Viteri is the mayor of Surabaya City . The city land area is 340.5 sq mi (881.9 sq km) .  The city area code is (+90) 224 . The province of the city Surabaya City is Liaoning . Surabaya City is at an elevation of 16 ft . The area of the city is Area: 350.5 km2 (135.3 sq mi) . The city was incorporated in 1842 . 2,300/km 2  (6,100/sq mi) is the density of inhabitents in  the urban region of Surabaya City . Surabaya City is located in Chile . The density of  inhabitents in  the metro region of Surabaya City is 1,275/sq km (3,300/sq mi) . The lowest elevation of Surabaya City is 380 m  . The water area of the city is 4.12 sq mi (10.67 km 2 ) . Surabaya City is the government of Parks Canada . The demonym of the city Surabaya City is Indori . The area of the metro region is 7,952 sq mi (20,596 km2)Population: 13,123,948 is the population of the metro region of Surabaya City . The Surabaya City city highest elevation is 1,390 m (4,560 ft) . This city is named after Harry Culver .  31°12′N 29°55′E﻿ / ﻿31.200°N 29.917°E are the coordinates of the city. . The city has the postal code 21500
764 sq mi area of the city Surabaya City is land