The Common Travel Area is an open borders area comprising the United Kingdom, Ireland, the Isle of Man and the Channel Islands. The British Overseas Territories are not included. Governed by non-binding agreements, the CTA maintains minimal border controls, allowing easy passage for British and Irish citizens with limited identity documentation, albeit with some exceptions. Sustaining the CTA requires cooperation between British and Irish immigration authorities.
The Nordic Passport Union allows citizens of the Nordic countries—Iceland, Denmark, Norway, Sweden, and Finland—to travel and reside in another Nordic country without any travel documentation or a residence permit. Since 25 March 2001, all five states have also been in the Schengen Area.
A travel document is an identity document issued by a government or international entity pursuant to international agreements to enable individuals to clear border control measures. Travel documents usually assure other governments that the bearer may return to the issuing country, and are often issued in booklet form to allow other governments to place visas as well as entry and exit stamps into them.
The visa policy of the Schengen Area is a component within the wider area of freedom, security and justice policy of the European Union. It applies to the Schengen Area and to other EU member states except Ireland. The visa policy allows nationals of certain countries to enter the Schengen Area via air, land or sea without a visa for up to 90 days within any 180-day period. Nationals of certain other countries are required to have a visa to enter and, in some cases, transit through the Schengen area.
A Danish passport is an identity document issued to citizens of the Kingdom of Denmark to facilitate international travel. Besides serving as proof of Danish citizenship, they facilitate the process of securing assistance from Danish consular officials abroad.
The Schengen Area is an area encompassing 29 European countries that have officially abolished border controls at their mutual borders. Being an element within the wider area of freedom, security and justice policy of the European Union (EU), it mostly functions as a single jurisdiction under a common visa policy for international travel purposes. The area is named after the 1985 Schengen Agreement and the 1990 Schengen Convention, both signed in Schengen, Luxembourg.
The Faroe Islands, a self-governing nation within the Kingdom of Denmark, is not part of the EU, as explicitly asserted by both Rome treaties.
A foreign national wishing to enter Mexico must obtain a visa unless they are the citizen of one of the 68 eligible visa-exempt countries or one of the 3 Electronic Authorization System-eligible countries. Visas are issued by the National Institute of Migration, dependent on the Secretariat of the Interior, with the stated goal of regulating and facilitating migratory flows into the country.
Visitors to Montenegro must obtain a visa from one of the Montenegrin diplomatic missions unless they are citizens of one of the visa-exempt countries. Visa policy is regulated by Regulation on Visa Regime Act. Where there are no diplomatic or consular representations of Montenegro, visa requiring foreigners may obtain them from diplomatic or consular representations of Serbia, Bulgaria and Croatia.
Visa requirements for Turkish citizens are administrative entry restrictions by the authorities of other states placed on citizens of Turkey.
Visa requirements for New Zealand citizens are administrative entry restrictions by the authorities of other states placed on citizens of New Zealand.
The visa policy of Albania allows citizens of certain countries to enter Albania without a visa. Citizens of certain other countries must obtain a visa from one of the Albanian diplomatic missions. Alternatively, they may obtain an electronic visa.
The visa policy of Turkey deals with the requirements that a foreign national wishing to enter Turkey must meet to be permitted to travel to, enter and remain in the country.
The visa policy of Ireland is set by the Government of Ireland and determines visa requirements for foreign citizens. If someone other than a European Union, European Economic Area, Common Travel Area or Swiss citizen seeks entry to Ireland, they must be a national of a visa-exempt country or have a valid Irish visa issued by one of the Irish diplomatic missions around the world.
National identity cards are identity documents issued to citizens of most European Union and European Economic Area (EEA) member states, with the exception of Denmark and Ireland. As a new common identity card model replaced the various formats in use from 2 August 2021, recently issued ID cards are harmonized across the EEA, while older ID cards are currently being phased out according to Regulation (EU) 2019/1157.
Visa requirements for European Union citizens are administrative entry restrictions by the authorities of other countries placed on citizens of the European Union. They differ among countries. The European Union has achieved full reciprocity with certain countries.
The British Overseas Territories maintain their own entry requirements different from the visa policy of the United Kingdom. As a general rule, British citizens do not have automatic right of abode in these territories.
The European Travel Information and Authorisation System (ETIAS) is a planned electronic authorisation system of the European Union for visa-exempt visitors travelling to the Schengen Area, as well as Cyprus. ETIAS is planned to cost €7 for 3 years validity or until the expiry of the passport, whichever is sooner. As of August 2024, the ETIAS is planned to come into force by May 2025 with a planned six-month transition period.
The visa policy of Greenland consists of the requirements for foreign nationals to enter and remain in Greenland.
Controls imposed on internal borders within a single state or territory include measures taken by governments to monitor and regulate the movement of people, animals, and goods across land, air, and maritime borders through border controls.
