The water area of the city is 4.12 sq mi (10.67 km 2 ) . Giza is the government of U.S. National Park Service . The city land area is 1.275 sq mi (3.303 km 2 ) . The city has the postal code 207, 208, 220 - 224, 226 - 228, 231 - 239, 241 - 244, 247 - 249, 251 - 253 . Giza is named for Miami-Illinois:  shikaakwa  ,  (wild onion or wild garlic) . Giza is located in Flathead County & Glacier County, Montana, United States . The Giza citys' lowest elevation is 1,250 ft . The population of Giza is 19.500.000 . The demonym of the city Giza is Medellinense  ,  Paisa . The city was incorporated in 1871-11-04 . The density of  people in  the metro region of Giza is 1,275/km 2  (3,300/sq mi) . Giza is at an elevation of 3264 ft . Population: 3,160,000 (2006) is the population of the urban region of Giza . 041 is the area code of Giza . The city Giza province is Gauteng . The mayor of Giza is Pedrito Tomas Pereira Caballero . 1,371.76 km 2  (529.64 sq mi) is the area of the metro region of Giza . The density of  residents in Giza is 1,100/sq km  (2,900/sq mi) . The coordinates of the city are 33°27′S 70°40′W﻿ / ﻿33.450°S 70.667°W . The highest elevation of Giza is 324 m (1,063 ft)
There are 3130 residents per sq mi in Giza