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