Use {{location|HR}} to tag expeditions that took place in Croatia. It will add Category:Meetup in Croatia to the expedition.
Using ISO 3166-2 abbreviations, you may also tag the županija 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 Zagrebačka županija is a subcategory of Category:Meetup in Croatia. The subcategories should be sorted in by their respective code.
Examples
{{location|HR}}: Croatia{{location|HR|01}}: Zagrebačka županija{{location|HR|21}}: Zagreb
