The land area of the city is 65.65 sq mi (170.03 sq km ) . Istanbul is at an elevation of 726 m . Area : 598.75 km2 (231.18 sq mi) is the area of the urban region of Istanbul . On November 7, 1861, as Denver City, C.T. the city was incorporated . The city is 319.03 sq mi (826.28 km 2 ) in area . The city Istanbul demonym is cuzqueno/a . The city Istanbul province is Alberta . Istanbul is the government of National Park Service . This city is named after Rao Jodha . The lowest elevation of Istanbul is 190 m  . The density of  residents in  the metro region of Istanbul is 1,500/km 2  (3,900/sq mi) . The coordinates of the city are 56°50′N 60°35′E﻿ / ﻿56.833°N 60.583°E . 216  (Asian side) is the area code of Istanbul . The postal code of the city is 21500 . Evelyn Trejo de Rosales (UNT) is the mayor of Istanbul . The population of the metro region is 13,542,900 . 3,300/km 2  (8,600/sq mi) is the density of inhabitents in Istanbul
13542900 residents live in the metro region of Istanbul