The Tupi language family is a group of indigenous languages spoken primarily in Brazil and parts of Paraguay and Argentina. It includes several languages, with the most well-known being Tupi-Guarani, which has many dialects. These languages are part of the larger Tupi-Guarani linguistic group and have influenced Brazilian Portuguese, especially in terms of vocabulary. Historically, the Tupi people were among the first indigenous groups encountered by European colonizers in the 16th century. The Tupi language family has played a significant role in the cultural and linguistic landscape of South America, contributing to the region's rich diversity.