Schengen Visa Information
A Schengen Visa is the document issued by the appropriate authorities to the interested party for visiting/travelling to and within the Schengen Area.
The Schengen Area is comprised of 26 countries that have agreed to allow free movement of their citizens within this area as a single country. Of the 26 countries bound by the Schengen agreement, 22 are part of the EU and the other 4 are part of the EFTA.
You will find more information here.