Original: Nine of the 26 Cantons – Uri, Obwalden, Nidwalden, Appenzell Ausserrhoden, Glarus, Zug, Basel-City, Schaffhausen and Geneva – entirely dispense with the district level of government; each with its own reason, be it historical or practical or because the area is small enough already.
Simplified: Absence of a district level in ten cantons Ten of the 26 Cantons entirely dispense with the district level of government: Uri, Obwalden, Nidwalden, Appenzell Ausserrhoden, Glarus, Zug, Basel-City and Geneva.