Of the 27 EU member states, 23 participate in the Schengen Area. The area is named after the 1985 Schengen Agreement and the 1990 Schengen Convention, both signed in Schengen, Luxembourg. 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 common visa policy for international travel purposes.
The Schengen Area ( English: / ˈ ʃ ɛ ŋ ən/ SHENG-ən, Luxembourgish: ⓘ) is an area comprising 27 European countries that have officially abolished passports and many other types of border control at their mutual borders.
Post-Brexit United Kingdom relations with the European Union.United Kingdom–European Union relations ( History).