Sur 13 is another name for the Sureños (Spanish for "Southerners"), a group of
Mexican American street gangs with its origins in the oldest barrios of
Southern California. Sur 13 also stands for "Southern United Raza." Raza is Spanish for "Race." The Number 13 stands for the letter "M," paying homage to the
Mexican Mafia Aka La Eme.
See Sureños