Arenenberg is an estate with a small chateau, Schloss Arenenberg, in the municipality of Salenstein at the shore of Lake Constance in Thurgau, Switzerland that is famous as the final domicile of Hortense de Beauharnais.
While Hortense initially spent time at her house in Augsburg, Arenenberg soon became her main domicile. At her Parisian-styled salon she entertained many luminaries. Her son Louis Napoléon, the future emperor Napoléon III, who had attended school in Augsburg, visited Arenenberg as a teenag