Schengen isn’t EU. Part of it are 4 countries that are not in the EU and the 4 EU members that are not in Schengen are obliged to join it. Also any specific wo

Schengen isn’t EU. Part of it are 4 countries that are not in the EU and the 4 EU members that are not in Schengen are obliged to join it. Also any specific worker rights we don’t enjoy in the EU? I’m a Romanian so am interested in details.