Use {{location|TZ}} to tag expeditions that took place in Tanzania. It will add Category:Expeditions in Tanzania to the expedition.
Using ISO 3166-2 abbreviations, you may also tag the emirate 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:Expeditions in Mkoa wa Mwanza is a subcategory of Category:Expeditions in Tanzania. The subcategories should be sorted in by their respective code.
Examples
{{location|TZ}}: Tanzania{{location|TZ|18}}: Mkoa wa Mwanza
