C. United kingdom
Submitted by: Arsalan Khan
Schengen Area signifies a zone where 26 European countries, abolished their internal borders, for the free and unrestricted movement of people, in harmony with common rules for controlling external borders and fighting criminality by strengthening the common judicial system and police cooperation.
The 26 Schengen countries are Austria, Belgium, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, and Switzerland.
United kingdom is not the member of Schengen Area