The Schengen Area signifies a zone where 27 European countries abolished their internal borders for the unrestricted movement of people, in harmony with common rules for controlling external borders and fighting crime by strengthening the common judicial system and police cooperation. The 27 Schengen countries are Austria, Croatia, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland.