Coordinates: 09°23′34″S 37°06′03″W / 9.39278°S 37.10083°W Dois Riachos is a municipality located in the western of the Brazilian state of Alagoas. Its population is 11,727 (2005) and its area is 140 km². Dois Riachos is the birthplace of Marta, maybe the most notable woman soccer player in the world.