The density of  inhabitents in  the metro region of Karaj is 1,600/sq km  (4,200/sq mi) . The water area of the city is 551.92 sq mi (1,429.46 km 2 ) . The city land area is 194.74 sq mi (504.38 km 2 ) . The city has the postal code 8320000 . Population (2015): 2,500,000 is the population of the metro region of Karaj . The density of  residents in  the urban region of Karaj is 2,305/km 2  (5,970/sq mi) . The mayor of Karaj is Rafael Greca (PMN) . Karaj is located in Czech Republic . 12°8′11″N 86°15′5″W﻿ / ﻿12.13639°N 86.25139°W are the coordinates of the city. . The density of  inhabitents in Karaj is 630/sq km  (1,600/sq mi) .  The city area code is +55 (41) . The highest elevation of Karaj is 5,364 m (17,598 ft) . The city Karaj demonym is Marabin, Maracaibero(a), Maracucho(a) . Karaj has Population: 2,400,653 (2012) population . The Karaj citys' lowest elevation is 75 m  . The province of the city Karaj is Cebu (geographically only) . This city is named after Christopher Columbus . The area of the urban region is 24.581 sq mi (63.66 km2) . Karaj is at an elevation of 13.2 ft . Karaj is the government of Parks Canada
+57 4 code is required to call a number in Karaj