The Gallo-Romance languages are a branch of the Romance languages, which evolved from Latin. They are primarily spoken in parts of France, Italy, and Switzerland. Key languages in this group include French, Occitan, and Romansh. These languages share common features, such as vocabulary and grammatical structures, due to their Latin roots. The Gallo-Romance languages have distinct regional dialects and variations, reflecting the diverse cultures and histories of the areas where they are spoken.