Tiwa Pueblo Indians. The Tiwa Pueblos formed three geographic divisions, one occupying Taos and Picuris (the most northerly of the New Mexican Pueblos), on the upper waters of the Rio Grande; another inhabiting Sandia and Isleta, north and south of Albuquerque respectively; and the third living in the pueblos of Isleta del Sur and Senecu del Sur, near El Paso, Tex., in Texas and Chihuahua, Mexico, respectively.