Use {{location|PT}} to tag expeditions that took place in Portugal. It will add Category:Meetup in Portugal to the expedition.
Using HASC or ISO 3166-2 abbreviations, you may also tag the district 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 Distrito do Porto is a subcategory of Category:Meetup in Portugal. The subcategories should be sorted in by their respective code.
Examples
{{location|PT}}: Portugal{{location|PT|PO}}: Distrito do Porto{{location|PT|13}}: Distrito do Porto
