Brazil is a country in South America. It is most notable in the Street Fighter universe as being the home country of Blanka.
List of Fighters who hail from Brazil
Street Fighter (Animated Series)
It is visited in the Street Fighter Animated Series in the first episode "The Adventure Begins" where Guile, Chun-Li, Ryu & Ken try to stop Bison from causing trouble with Lucinda and some other scientists who were trying to find a cure for a disease that was plaguing the area. Blanka who joined Guile and the other street fighters protected his "brothers" from getting the disease and it was discovered that his blood contained a cure for it.