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
Greenland–European Union relations The EU is Greenland's main trading partner. However, Greenland ranks as the EU's 103rd largest trading partner. In 2009 the EU put in place an import ban on seal fur on grounds on animal cruelty, but made exemptions for Inuit communities in Greenland and Canada in order to protect their way of life. The ban only allows small scale hunts for population control and local circulation – produce is not allowed to enter the EU. The ban angered those communities in the Arctic Circle who depend on sales from large scale seal hunting. Greenland is one of the Overseas Countries