Chablais was a province of the Duchy of Savoy. Its capital was Thonon-les-Bains. This region is currently divided into three territories, the Chablais savoyard, the Chablais valaisan, and the Chablais vaudois, and is now split across two countries: France (department of Haute-Savoie) and Switzerland (cantons of Valais and Vaud). The Chablais Alps ...