That is Spanish for "south of the world".
"del sur" means "of the south"
Sierra Madre Mountains
El río más largo del mundo es el río Amazonas, que se extiende a lo largo de aproximadamente 6,400 km a través de América del Sur.
Sur is capitalized in America del Sur because it is part of thename; it is a propernoun.
Tren del Sur was created in 1984.
The population of Arenal del Sur is 16,799.
Melena del Sur was created in 1768.
The population of Melena del Sur is 20,646.
Consolación del Sur was created in 1866.
The population of Consolación del Sur is 87,500.
Agusan del Sur's population is 609,447.
Jardínes del Sur's population is 9,814.