What is the meaning of etats schengen?

The term "États Schengen" refers to the countries within the Schengen Area, a group of European nations that have abolished passport and other types of border control at their mutual borders. This agreement allows for free movement of people among member states while maintaining a common visa policy for non-EU travelers. As of now, there are 27 countries in the Schengen Area, including most EU countries and a few non-EU nations. The Schengen Agreement promotes ease of travel and economic cooperation among its members.