Cartagena is a Chilean commune located in the San Antonio Province, Valparaíso Region.

[2] In the seventeenth century the area surrounding the town became a major producer of wheat, which was shipped to Peru and Spain via the port of Cartagena.

From 1870, Cartagena became a popular residence for the Chilean intellectual elite who built holiday houses and made it a fashionable seaside resort.

As a commune, Cartagena is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

The council has the following members:[1] Within the electoral divisions of Chile, Cartagena is represented in the Chamber of Deputies by María José Hoffmann (UDI) and Víctor Torres (PDC) as part of the 15th electoral district, (together with San Antonio, Santo Domingo, El Tabo, El Quisco, Algarrobo and Casablanca).