Millau is a commune in the Aveyron department in the French Occitanie region in southern France. It is 70 km from the Aveyron prefecture headquarters in Rodez. It is located at the confluence of the rivers Tarn and Dourbie. It is surrounded by the landscapes of Gorges du Tarn, Causse du Larzac and Causse Noir. It is part of the former province of Rouergue where they also communicate through a form of Occitan language: the Rouergat dialect. Its inhabitants are called Millavois and Millavoises. The territory of the municipality is part of the Regional Natural Park of Grands Causses.