Furthermore, does Portugal take euros?
The currency in Portugal is the euro, which makes it a very worry-free destination for many other Europeans to visit when it comes to money matters (it's the currency of 19 European countries, used by over 330 million people).
Secondly, what countries does the euro cover? You can use the euro in 19 EU countries: Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia and Spain.
Similarly one may ask, what kind of currency does Portugal use?
Euro
What is the most common currency used in Europe?
the euro