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 federal law. Areas specifically reserved to the Confederation are the armed forces, currency, the postal service, telecommunications, immigration into and emigration from the country, granting asylum, conducting foreign relations with sovereign states, civil and criminal law, weights and measures, and customs duties. Each canton has its own constitution, legislature, executive, police and courts. Similar to the Confederation, a directorial system of government is followed by the cantons. Most of the cantons' legislatures are unicameral parliaments, their size varying between 58 and 200 seats. A few legislatures also involve or did involve general popular assemblies known as "Landsgemeinden"; the use of