The Araucanian languages are a group of indigenous languages spoken primarily in southern Chile and Argentina. The most prominent language in this family is Mapudungun, which is the language of the Mapuche people. These languages are known for their unique grammatical structures and vocabulary, distinct from the surrounding languages in the region. Araucanian languages are not widely spoken outside their native areas, but they hold cultural significance for the Mapuche and other indigenous groups. Efforts are being made to preserve and revitalize these languages, as they are an essential part of the cultural heritage and identity of their speakers.