Euronews has already put several European cities on your radar for 2026, like Oulu in Finland and Trenčín in Slovakia, the new European Capitals of Culture, and Barcelona , the UNESCO-UIA World Capital of Architecture. ADVERTISEMENT ADVERTISEMENT Now we have yet another destination to add to your must-visit list for the next 12 months: Guimarães in northern Portugal. Named the European Green Capital for 2026, the city is planning a year-long programme of events you won’t want to miss. How