The population of the metro region is Population (2015): 2,500,000 . Karaj has Population: 2,400,653 (2012) population . Karaj is at an elevation of 13.2 ft . The area of the urban region is 24.581 sq mi (63.66 km2) . The density of  residents in  the urban region of Karaj is 2,305/km 2  (5,970/sq mi) . The city has the postal code 8320000 . The water area of the city is 551.92 sq mi (1,429.46 km 2 ) . The highest elevation of Karaj is 5,364 m (17,598 ft) . Karaj is located in Czech Republic . Rafael Greca (PMN) is the mayor of Karaj . The city Karaj demonym is Marabin, Maracaibero(a), Maracucho(a) . +55 (41) is the area code of Karaj . 630/sq km  (1,600/sq mi) is the density of residents in Karaj . This city is named after Christopher Columbus . The city land area is 194.74 sq mi (504.38 km 2 ) . The city province is Cebu (geographically only) . Karaj is the government of Parks Canada . 12°8′11″N 86°15′5″W﻿ / ﻿12.13639°N 86.25139°W are the coordinates of the city. . 1,600/sq km  (4,200/sq mi) is the density of residents in  the metro region of Karaj . The lowest elevation of Karaj is 75 m 
The location of the city is  longitude by 35.69694°N latitude