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,
Switzerland in the Napoleonic era cantons with equal rights. The Congress of Vienna of 1815 fully re-established Swiss independence and the European powers agreed to permanently recognise Swiss neutrality. At this time, the territory of Switzerland was increased for the last time, by the new cantons of Valais, Neuchâtel and Geneva. The Restoration, the time leading up to the "Sonderbundskrieg", was marked with turmoil, and the rural population struggling against the yoke of the urban centres, for example in the Züriputsch of 1839. During the last years of the Ancien Régime, the growing conflicts throughout the Confederation (aristocratic cities against peasant farmers, Protestant against Catholic,