Use {{location|IE}}
to tag expeditions that took place in Ireland. It will add Category:Meetup in Ireland to the expedition.
Using ISO 3166-2 abbreviations, you may also tag the province or even the county 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 Contae Loch Garman is a subcategory of Category:Meetup in Laighean, which is a subcategory of Category:Meetup in Ireland. The subcategories should be sorted in by their respective code.
Examples
{{location|IE}}
: Ireland{{location|IE|L}}
: Laighean{{location|IE|L|WX}}
: Contae Loch Garman