The Entry/Exit System (EES) is an automated IT system for registering non-EU nationals travelling for a short stay, each time they cross the external borders of any of the following European countries using the system:

Austria ,Belgium, Bulgaria, Croatia, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland.

For the purpose of the EES, ‘non-EU national’ means a traveler not holding the nationality of any European Union country or the nationality of Iceland, Liechtenstein, Norway or Switzerland.

More information on EES website.