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 financial losses. An alternative between Greenland and the United States/Canada is Air Iceland/Icelandair with a plane change in Iceland. Sea passenger and freight transport is served by the coastal ferries operated by Arctic Umiaq Line. It makes a single round trip per week, taking 80 hours each direction. Greenland has a population of 56,370 (January 2013 estimate), of whom 88% are Greenlandic Inuit (including mixed persons). The remaining 12% are of European descent, mainly Greenland Danes. Several thousand Greenlandic Inuit reside in the Danish Peninsula. The majority of the population is Lutheran. Nearly all Greenlanders live along the fjords in