The Tupian language family is a group of indigenous languages spoken primarily in Brazil and parts of Paraguay. It includes several languages, such as Tupinambá and Guaraní, which are known for their rich oral traditions and cultural significance among the native peoples of the region. Linguists classify the Tupian languages into two main branches: Tupi and Guaraní. These languages share common features, such as similar vocabulary and grammatical structures, which indicate a historical connection. The study of the Tupian language family helps researchers understand the cultural and social dynamics of the indigenous populations in South America.