The urban region has 7,860,781 population . The density of  residents in  the urban region of Cartagena City is 14,100/km 2  (37,000/sq mi) . Cartagena City is the government of Bristol City Council . Cartagena City is located in People's Republic of China . The city water area is 3.4 sq mi (8.8 km 2 ) . The density of  residents in Cartagena City is 4,824/km 2  (12,490/sq mi) (2001) . Area: 572 km2 (221 sq mi) is the area of the city namedCartagena City . The province of the city Cartagena City is Razavi Khorasan .  The city area code is 212  (European side) . The density of  residents in  the metro region of Cartagena City is 2,813/km 2  (7,290/sq mi) . 25°25′S 49°15′W﻿ / ﻿25.417°S 49.250°W are the coordinates of the city. . The land area of the city is 1,117.11 km 2  (431.32 sq mi) . Cartagena City is at an elevation of 5 m . Cartagena City is named for Christopher Columbus . The population of the metro region is 4,567,857 . The mayor of Cartagena City is Kakha Kaladze . The demonym of the city Cartagena City is Delhiite . The city has the postal code 8320000 . The Cartagena City citys' lowest elevation is 1,240 ft
There is more land area than water covered area in Cartagena City