Use {{location|TW}} to tag expeditions that took place in Taiwan. It will add Category:Meetup in Taiwan to the expedition.
Using ISO 3166-2 abbreviations, you may also tag the county, county-level city or special municipality 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 Hsinchu is a subcategory of Category:Meetup in Taiwan. The subcategories should be sorted in by their respective code.
Examples
{{location|TW}}: Taiwan{{location|TW|HSQ}}: Hsinchu
