Area of 29 European states without mutual border controls
The Schengen Area (English: SHENG-ən, Luxembourgish: [ˈʃæŋən] ) is an area encompassing 29 European countries that have officially abolished border controls at their mutual borders. Being an element within the wider area of freedom, security and justice policy of the European Union (EU), it mostly functions as a single jurisdiction under a...
surely nobody'd be stupid enough to leave it
...right?