The Schengen Area is a zone in Europe where participating countries have largely removed routine internal border controls to permit passport-free movement for travelers. It encompasses 26 states and covers roughly 4,312,099 square kilometres, with a population of about 400 million people. The framework began with the Schengen Agreement, signed in 1985 in Schengen, Luxembourg and further developed by subsequent accords such as the 1985 agreement. The arrangement links a group of European countries through shared rules on external borders, visas and police cooperation.

Core features

Within the Schengen Area there are normally no routine passport checks at internal land, sea or air borders between member states. Instead, travelers are subject to controls when entering or leaving the area at its external borders and when applying for a common short-stay visa. Member states cooperate through shared databases and operational measures to combat cross-border crime, and may temporarily reintroduce internal border checks for security, public order or public health reasons. Routine immigration controls are therefore concentrated at the perimeter rather than at every crossing point.

Member states

Although Switzerland is a member of the Schengen Area, it is not part of the European Economic Area and therefore maintains certain customs arrangements that differ from some other participants. Several small European microstates have special arrangements with neighboring Schengen states that effectively allow free movement but do not make them formal members.

History and development

The Schengen project began in the mid-1980s as a way to deepen travel freedoms among cooperating states. Provisions agreed in the original Schengen instruments were gradually implemented, with the practical abolition of many internal border checks becoming effective in the 1990s and later extended to additional states. Over time the area acquired complementary mechanisms: a shared visa policy for short stays, joint databases for alerts and law enforcement needs, and rules governing the management of external borders.

Today the Schengen Area is significant for tourism, cross-border work and trade because it simplifies travel and reduces delays at internal crossings. Travelers should nonetheless carry an identity document when moving within the area since spot checks and temporary controls can occur, and entry or exit stamps may be applied at external borders. For official guidance on visas, border procedures and temporary reintroductions of controls, consult the competent authorities or designated national travel information channels such as official country sites and other resources (agreements, border rules).