The Euro - unless you're in the UK where we still use sterling.
The majority of countries in EU (European Union) use Euro but not all. Rest of the European countries have their own currencies. Hope this answer proves useful for everyone.
If you mean how many countries in the EU use the EU currency, the Euro, the answer is 17.
money is being taken from us to fund the eu
You can say "Eu não tenho dinheiro" in Portuguese to convey the meaning of "I have no money."
The kind of money used in japan is YEN.
Euros
English money
The money that the EU (European Union) uses is called the euro, and it was created to make trade easier between its countries, by making money conversion unnecesary.
Danish Croner is what they use in Greenland for money
The EU is not a country. It is an organisation. It has 28 independent countries as members.
they use pesoPeso
They use the Quetzal. :[