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 other cantons but also with foreign states (respectively Articles 48 and 56 of the Federal Constitution). The cantonal constitutions determine the internal organisation of the canton, including the degree of autonomy accorded to the municipalities, which varies but almost always includes the power to levy taxes and pass municipal laws; some municipalities have their own police forces. As at the federal level, all cantons provide for some form of direct democracy. Citizens may demand a popular vote to amend the cantonal constitution or laws, or to veto laws or spending bills passed by the parliament. Other than in the instances