Use {{location|CZ}} to tag expeditions that took place in Czechia. It will add Category:Meetup in Czechia to the expedition.
Using ISO 3166-2 or license plate abbreviations, you may also tag the kraj or even the okres that the expedition took place in. See the example section for more details.
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 okres Mladá Boleslav is a subcategory of Category:Meetup in Středočeský kraj, which is a subcategory of Category:Meetup in Czechia. The subcategories should be sorted in by their respective code.
Examples
{{location|CZ}}: Czechia{{location|CZ|A}}: Praha{{location|CZ|PR}}: Praha{{location|CZ|10}}: Praha{{location|CZ|S}}: Středočeský kraj{{location|CZ|ST}}: Středočeský kraj{{location|CZ|20}}: Středočeský kraj{{location|CZ|20|7}}: okres Mladá Boleslav
