Mbayá people

The Mbayá or Mbyá are a tribe formerly ranging on both sides of the Paraguay River, on the north and northwestern Paraguay frontier, and in the adjacent portion of the province of Mato Grosso do Sul, Brazil. They have also been called Caduveo and Guaycuru, a name used generally of all the mounted Indians of Gran Chaco. The Kadiwéu people are the surviving branch of the Mbayá people.