Use {{location|CH}} to tag expeditions that took place in Switzerland. It will add Category:Meetup in Switzerland to the expedition.
Using ISO 3166-2 abbreviations, you may also tag the canton that the expedition took place in.
If the category link appears red, do not worry and create the category. Make sure that it is included in the appropriate parent category, for instance, Category:Meetup in Kanton Bern is a subcategory of Category:Meetup in Switzerland. The subcategories should be sorted in by their respective code.
Examples
{{location|CH}}: Switzerland{{location|CH|AG}}: Kanton Aargau{{location|CH|FR}}: Canton de Fribourg{{location|CH|TI}}: Cantone Ticino
