36°18′N 59°36′E﻿ / ﻿36.300°N 59.600°E are the coordinates of the city. . The metro region is 4,500 sq mi (11,700 km 2 ) in area . The water area of the city is 551.92 sq mi (1,429.46 km 2 ) . The Cairo citys' lowest elevation is 75 m  . The city was incorporated in 1871-11-04 . Cairo is located in Angkor, Siem Reap, Cambodia . Cairo is the government of Municipality of Quito . 84 is the area code of Cairo . The land area of the city is 225.73 sq km  (87.15 sq mi) . The density of  inhabitents in Cairo is 700/km 2  (1,800/sq mi) . Cairo is at an elevation of 3264 ft . 4,484/km 2  (11,610/sq mi) is the density of inhabitents in  the metro region of Cairo . The postal code of the city is 090101 to 090158 . The province of the city Cairo is Oran Province . The Cairo city highest elevation is 2,715 m (8,907 ft) . 335.4 sq mi (539.7 km 2 ) is the area of the urban region of Cairo . The density of  inhabitents in  the urban region of Cairo is 14,100/km 2  (37,000/sq mi) . The city Cairo demonym is Yerevantsi(s), Yerevanite(s) . Cairo has Population: 3,457,409 population
The metro region is less than 5486 sq mi