In fact from your Link (thanks)
Russ's link said:The EU is now the largest political and economic entity on the European continent, with around 493 million people and an official GDP of €10.5 ($13.7) trillion. The Union is a customs union and a developing single market,  with a common trade policy.  It has its own currency, the euro - already adopted by 13 member states. The Union has a Common Agricultural Policy, a Common Fisheries Policy, and a regional Policy to assist poorer regions. It has initiated a limited Common Foreign and Security Policy, and a limited joint policy on crime.