Border control is the implementation of border controls on travel between Svalbard, which maintains a policy of free migration as a result of the Svalbard Treaty (Norwegian: Svalbard-traktaten; ) and the Schengen Area, which includes the rest of Norway. The Kingdom of Denmark also maintains a complex system of subnational countries with autonomous customs policies, since they aren’t within the European Union like the Danish mainland. These are Greenland () and the Faroe Islands (). These areas do not maintain strict immigration controls with the Schengen Area, but border controls are sporadically enforced for customs purposes. Other examples of effective internal border
Basque Country (autonomous community) Basque Country (autonomous community) The Basque Country (; ; ; ), officially the Basque Autonomous Community (, EAE; , CAV) is an autonomous community in northern Spain. It includes the Basque provinces of Álava, Biscay, and Gipuzkoa. The Basque Country or Basque Autonomous Community was granted the status of "nationality" within Spain, attributed by the Spanish Constitution of 1978. The autonomous community is based on the Statute of Autonomy of the Basque Country, a foundational legal document providing the framework for the development of the Basque people on Spanish soil, although the territory of Navarre was left out and made