The Schengen Agreement includes 22 of the 27 member states of the European Union (EU). We are talking about the “Schengen area”.-
Among the Schengen countries are all the countries of the European Union (excluding Bulgaria, Cyprus, Hungary, Romania and the United Kingdom) as well as 3 non-EU associate countries: Iceland, Norway and Switzerland.
Within this space, there is a free movement of people.
The Schengen visa is intended for foreign residents of the Schengen Area. It allows them to move freely for up to 90 days within the member countries of this space.