There are protections that aren't tied to regions, called Traditional speciality guaranteed (https://ec.europa.eu/info/food-farming-fisheries/food-safety-and-qu

There are protections that aren't tied to regions, called Traditional speciality guaranteed (https://ec.europa.eu/info/food-farming-fisheries/food-safety-and-quality/certification/quality-labels/quality-schemes-explained_en#tsg https://ec.europa.eu/info/food-farming-fisheries/food-safety...). The "problem" is that typically when there is a strong food brand, it also has a strong geographic association, and so TSG is available only for lesser brands.