The population of the urban region is Population (2006) : 3,550,000 . The population of the metro region is Population (2014): 7,360,703 . Karaj is the government of Swedish Ice Hockey Association . The water area of the city is 6.286 sq mi (16.281 km 2 ) 29.82% . The coordinates of the city are 7°15′55″S 112°44′33″E﻿ / ﻿7.26528°S 112.74250° . The demonym of the city Karaj is Evanstonian .  The city area code is +966-12 . The province of the city Karaj is Kadiogo . The city was incorporated in September 20, 1917 . The city is Area : 126 km2 (49 sq mi) in area . The city land area is 16.0 sq mi (41.4 sq km) . Karaj is at an elevation of 13 m . The highest elevation of Karaj is 1,390 m (4,560 ft) . The density of  inhabitents in  the metro region of Karaj is 2,813/km 2  (7,290/sq mi) . Karaj is named for Saint James . The density of  inhabitents in Karaj is 2,700/km 2  (7,100/sq mi) . 3,300/km 2  (8,600/sq mi) is the density of people in  the urban region of Karaj . The postal code of the city is 3000 00 -  3019 00 . The mayor of Karaj is Tang Liangzhi . Karaj is located in Yucatan, Mexico
318 km 2 area of the city Karaj is water