Use {{location|JE}} to tag expeditions that took place in Jersey. It will add Category:Meetup in Jersey to the expedition.
Using HASC:JE abbreviations, you may also tag the parish 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 Grouville is a subcategory of Category:Meetup in Jersey. The subcategories should be sorted in by their respective code.
Examples
{{location|JE}}: Jersey{{location|JE|GR}}: Grouville
