The Portuguese escudo was the currency of Portugal from 22 May 1911 until the introduction of the euro on 1 January 2002. The escudo was subdivided into 100 centavos. The word escudo derives from the scutum shield.

The euro is the official currency of 20 of the 27 member states of the European Union. This group of states is officially known as the euro area or, more commonly, the eurozone. The euro is divided into 100 euro cents.