The Tupi-Guarani languages are a group of indigenous languages spoken primarily in South America, particularly in countries like Brazil, Paraguay, and Argentina. This language family includes several languages, with Guarani being one of the most widely spoken, especially in Paraguay, where it is an official language alongside Spanish. These languages are part of the larger Tupi language family, which historically played a significant role in the region's culture and communication. The Tupi-Guarani languages are known for their rich oral traditions and have influenced local dialects and languages, including Portuguese in Brazil.