Geography of Switzerland rolling hills and plains of the plateau. The smaller Jura Mountains are located on the north west side of the plateau. Much of the northern border with Germany follows the Rhine, though the Rhine enters Switzerland near Schaffhausen. The eastern border with Germany and a portion of Austria is drawn through Lake Constance (). A portion of the southwest border with France is drawn through Lake Geneva. Switzerland is divided into 26 sovereign cantons. The cantons along the Swiss Plateau tend to be the most populous, industrial and religiously Protestant. The cantons in the Alps tend to be less populous,
Languages of Switzerland Switzerland (North Western Switzerland, Eastern Switzerland, Central Switzerland, most of the Swiss Plateau and the greater part of the Swiss Alps). In seventeen of the Swiss cantons, German is the only official language (Aargau, Appenzell Ausserrhoden, Appenzell Innerrhoden, Basel-Stadt, Basel-Landschaft, Glarus, Luzern, Nidwalden, Obwalden, Schaffhausen, Schwyz, Solothurn, St. Gallen, Thurgau, Uri, Zug, and Zürich). In the cantons of Bern, Fribourg and Valais, French is co-official; in the trilingual canton of Graubünden, more than half of the population speaks German, while the rest speak Romansh or Italian. In each case, all languages are official languages of the respective canton. While the