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,
Cantons of Switzerland one federal public holiday (1 August); public holidays otherwise vary from canton to canton. The cantons are listed in their order of precedence given in the federal constitution. This reflects the historical order of precedence of the Eight Cantons in the 15th century, followed by the remaining cantons in the order of their historical accession to the confederacy. The two-letter abbreviations for Swiss cantons are widely used, e.g. on car license plates. They are also used in the with the prefix "CH-" ("Confœderatio Helvetica"—Helvetian Confederation—"Helvetia" having been the ancient Roman name of the region). "CH-SZ", for example, is used for