Cantons of Switzerland the canton of Schwyz. Six of the 26 cantons are traditionally, but no longer officially, called "half-cantons" (, , , ). In two instances (Basel and Appenzell) this was a consequence of a historic division, whilst in the case of Unterwalden a historic mutual association, resulting in three pairs of half-cantons. The other 20 cantons were — and in some instances still are — though only in a context where it is needed to distinguish them from any half-cantons, typically termed "full" cantons in English. The historic half-cantons, and their pairings, are still recognizable in the first article of the
Council of States (Switzerland) Council of States (Switzerland) The Council of States (, , , ) is the smaller chamber of the Federal Assembly of Switzerland, and is considered the Assembly's upper house, with the National Council being the lower house. There are 46 Councillors. Twenty of the country's cantons are represented by two Councillors each. Six cantons, traditionally called "half cantons", are represented by one Councillor each for historical reasons. These are Obwalden, Nidwalden, Basel-Stadt, Basel-Landschaft, Appenzell Ausserrhoden and Appenzell Innerrhoden. The Councillors serve for four years, and are not bound in their vote to instructions from the cantonal authorities. Under the Swiss