Administrative divisions:

26 cantons (cantons, singular - canton in French; cantoni, singular - cantone in Italian; Kantone, singular - Kanton in German); Aargau, Appenzell Ausserrhoden, Appenzell Innerrhoden, Basel-Landschaft, Basel-Stadt, Berne/Bern, Fribourg/Freiburg, Genève (Geneva), Glarus, Graubuenden/Grigioni/Grischun, Jura, Luzern (Lucerne), Neuchatel, Nidwalden, Obwalden, Sankt Gallen, Schaffhausen, Schwyz, Solothurn, Thurgau, Ticino, Uri, Valais/Wallis, Vaud, Zug, Zuerich

note 1: the names listed above are in the canton's official language(s), with conventional names in parentheses

note 2: 6 of the cantons -- Appenzell Ausserrhoden, Appenzell Innerrhoden, Basel-Landschaft, Basel-Stadt, Nidwalden, Obwalden -- are referred to as half cantons because they elect only one member (instead of two) to the Council of States, and in popular referendums where a majority of popular votes and cantonal votes are required, these 6 cantons have a half vote

Definition:

This entry gives the numbers, designatory terms, and first-order administrative divisions as approved by the US Board on Geographic Names (BGN). Changes that have been reported but not yet acted on by the BGN are noted. Geographic names conform to spellings approved by the BGN with the exception of the omission of diacritical marks and special characters.

Source: CIA World Factbook