Schengen visa - travel document that allows a person to enter the Schengen zone
for a designated period of time. The Schengen zone refers to the area that encompasses
the European states that are members of the Schengen Agreement and include 26
countries that issue Schengen visas, 22 European Union member states and 4 members
of European Free Trade Association. A valid Schengen visa issued by any of the Schengen
states will allow you to travel to other Schengen states as long as you have proof of
pre-existing travel arrangements, you can enter any other Schengen zone country with
the same visa after entering the Schengen zone through the country of the issuing authority.