The passport-free area of the European Union is known as the Schengen Area. If you hold a passport from one of the EU countries, you do not need to show a passport when traveling between countries within the Schengen zone. At the time of publication, the 26 countries in the Schengen Area were Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden and Switzerland.