The city is 19.4 sq mi (50.2 km 2 ) in area . The city Istanbul demonym is Catanesi . Istanbul is located in Colombia . 3,300/km 2  (8,600/sq mi) is the density of residents in  the urban region of Istanbul . 01 is the area code of Istanbul . 1,600/sq km  (4,200/sq mi) is the density of inhabitents in  the metro region of Istanbul . The mayor of Istanbul is Daisy Torres . The Istanbul citys' lowest elevation is 246 ft . The city water area is 430 km 2  (165 sq mi)  33% . The highest elevation of Istanbul is 241.9 m (793.6 ft) . Istanbul is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) . Istanbul is at an elevation of 6 m . The city was incorporated in November 7, 1861, as Denver City, C.T. . The postal code of the city is 16000 . The city land area is 16.0 sq mi (41.4 sq km) . Istanbul is the government of U.S. National Park Service . The city Istanbul province is Misamis Oriental (geographically only)
There is more water covered area than land area in Istanbul