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 probably mainly due to German (and Austrian) immigrants. By the Middle Ages, a marked difference had developed within the German-speaking part of Switzerland between the rural cantons (Uri, Schwyz, Unterwalden, Glarus, Zug, Appenzell, Schaffhausen) and the city cantons (Lucerne, Berne, Zurich, Solothurn, Fribourg, Basel, St. Gallen), divided by views about trade and commerce. After the Reformation, all cantons were either Catholic or Protestant, and the denominational influences on culture added to the differences. Even today, when all cantons are somewhat denominationally mixed, the different historical denominations can be seen in the mountain villages, where Roman Catholic Central Switzerland abounds with