3
There are 27 EU countries.
In 2005, there were 25 countries in the EU.
The EU is an organisation, not a nation. As of 2015, it has 28 independent countries that are members of it.
If you mean how many countries in the EU use the EU currency, the Euro, the answer is 17.
84
27 Countries were part of the EU in 1957! NOPE! there ARE NOW 27 countries there were not 27 back then!
EU, I think means euro, like the currency of Europe €
You can travel to any EU country when you have a passport from one of the countries.
Do you mean which EU countries have flags with yellow in them? Belgium Germany Lithuania Portugal Romania Spain Sweden
There are no Asian countries in the EU.
27 countries were members of the European Union in 2010.