The density of  residents in Cartagena City is 4,824/km 2  (12,490/sq mi) (2001) . The water area of the city is 3.4 sq mi (8.8 km 2 ) . 2,813/km 2  (7,290/sq mi) is the density of inhabitents in  the metro region of Cartagena City . The city province is Razavi Khorasan . Cartagena City is at an elevation of 5 m . The coordinates of the city are 25°25′S 49°15′W﻿ / ﻿25.417°S 49.250°W . The demonym of the city Cartagena City is Delhiite . The density of  residents in  the urban region of Cartagena City is 14,100/km 2  (37,000/sq mi) . The Cartagena City citys' lowest elevation is 1,240 ft . The urban region has 7,860,781 population . 212  (European side) is the area code of Cartagena City . 4,567,857 is the population of the metro region of Cartagena City . Cartagena City is the government of Bristol City Council . The city has the postal code 8320000 . Cartagena City is located in People's Republic of China . Cartagena City is named for Christopher Columbus . Kakha Kaladze is the mayor of Cartagena City . The city land area is 1,117.11 km 2  (431.32 sq mi) . The city is Area: 572 km2 (221 sq mi) in area
There are 4567857 residents in metro region of Cartagena City