The eurozone is a geographic area that consists of the European Union (EU) countries that have fully incorporated the euro as their national currency. Euro-Truck Sim 2 Deluxe Edition (PC GAME) - PC Download (No Online Multiplayer/No REDEEM Code) - | NO DVD NO CD |: [HOST]: Video Games. eurozone countries . [HOST]: Buy Ludo Deluxe Game 2in1 (Large) online at low price in India on [HOST] Check out Ludo Deluxe Game 2in1 (Large) reviews, ratings. Currently, the euro (€) is the official currency of 20 out of 27 EU member countries which together constitute the Eurozone, officially called the euro area. The euro area consists of those Member States of the European Union that have adopted the euro as their currency. Eurozone. Croatia joins the Schengen and Eurozone For people across the globe and often even for Europeans themselves, the European Union (EU).