They are called the European Union. But not all countries that are in the European Union use Euros. And there are some countries who are not in the European Union who use Euros.
As Portugal is in Europe, its money is European. Also, it uses the Euro, as do some other European countries.
Sierra Leone uses Bangla as a second language.
Like most European countries, France uses the Euro.
Belgium uses the euro, like many other countries in the European Union. It no longer has its own currency.
The Euro, otherwise each country uses its own currency.
Every European country has its own language. They are all different. Italy uses Italian, and some dialects. France uses French. Germany uses German, etc. Some countries like Switzerland use various languages depending on location. For example, the southern part of Switz. uses Italian, because it's near Italy, while the western portion uses French and the North Eastern portion uses German.
No, not all do, for example, Switzerland still uses the Swiss Franc.
Ireland and other northern-European countries used to.
The official language of both countries is German, though each uses a different dialect standard.
No. There are 28 countries in the organisation known as the European Union. Only 19 of those countries use the Euro. A county in the European Union has the choice of using the Euro or not. Some countries have chosen not to use it or their economies are not ready to use it.
Every language makes its own rules and uses as many letters as it needs.