A valid passport is necessary for visitors to Iceland, except for citizens of the nordic countries: Denmark, Finland, Norway and Sweden. Citizens of the following countries may enter Iceland using, instead of passports, national identity cards issued by the competent authorities in their countries of origin: Austria, Belgium, France, Germany, Greece, Italy, Liechtenstein, Luxembourg, the Netherlands, Portugal, Spain and Switzerland.
As a rule, visitors to Iceland should carry a passport valid for three months beyond their intended stay.
As of 25 March 2001, Iceland is an associate member of the Schengen agreement which exempts travelers from personal border controls between 13 European Union (EU) countries (Austria, Belgium, Denmark, Finland, France, Germany, Greece, Italy, Luxembourg, the Netherlands, Portugal, Spain and Sweden) and two European Economic Area (EEA) countries (Norway and Iceland). The only EU-members which are not party to Schengen are Great Britain and Ireland.