The

Kingdom of Denmark The Danish Realm ( da, Danmarks Rige; fo, Danmarkar Ríki; kl, Danmarkip Naalagaaffik), officially the Kingdom of Denmark (; ; ), is a sovereign state located in Northern Europe and Northern North America. It consists of Denmark, metropolitan ...

has existed with its current territory since 1920, although the last territorial dispute with

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

was only settled in June 14, 2022. The only land border of Denmark (proper) is that with Germany, with a length of .

Greenland Greenland ( kl, Kalaallit Nunaat, ; da, Grønland, ) is an island country in North America that is part of the Kingdom of Denmark. It is located between the Arctic and Atlantic oceans, east of the Canadian Arctic Archipelago. Greenland is t ...

, an autonomous country of the

Danish Realm The Danish Realm ( da, Danmarks Rige; fo, Danmarkar Ríki; kl, Danmarkip Naalagaaffik), officially the Kingdom of Denmark (; ; ), is a sovereign state located in Northern Europe and Northern North America. It consists of metropolitan Denma ...

, also shares a border with

splitting

Hans Island Hans Island ( Inuktitut and kl, Tartupaluk, ; Inuktitut syllabics: ; da, Hans Ø; french: Île Hans) is an island in the very centre of the Kennedy Channel of Nares Strait in the high Arctic region, split between the Canadian territory of ...

in half in which the border is 1.28 km (0.795 miles) long. The border along the

territorial waters The term territorial waters is sometimes used informally to refer to any area of water over which a sovereign state has jurisdiction, including internal waters, the territorial sea, the contiguous zone, the exclusive economic zone, and potenti ...

( zone) with Sweden runs along the

Øresund Øresund or Öresund (, ; da, Øresund ; sv, Öresund ), commonly known in English as the Sound, is a strait which forms the Danish–Swedish border, separating Zealand (Denmark) from Scania (Sweden). The strait has a length of ; its width v ...

for a length of about . The exclusive economic zone (EEZ, zone) of the Kingdom of Denmark (Greenland, Denmark (proper), Faroe Islands) borders those of

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...

, the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the continental mainland. It comprises England, Scotland, Wales and North ...

Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on ...

Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...

Iceland Iceland ( is, Ísland; ) is a Nordic island country in the North Atlantic Ocean and in the Arctic Ocean. Iceland is the most sparsely populated country in Europe. Iceland's capital and largest city is Reykjavík, which (along with its s ...

and

. Maritime borders in the

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain. The sea stretches from 53°N to 66°N latitude and from ...

were delineated with

West Germany West Germany is the colloquial term used to indicate the Federal Republic of Germany (FRG; german: Bundesrepublik Deutschland , BRD) between its formation on 23 May 1949 and the German reunification through the accession of East Germany on 3 O ...

and Sweden in the 1980s and with Poland in 2018.

History

and

Denmark–Norway Denmark–Norway (Danish and Norwegian: ) was an early modern multi-national and multi-lingual real unionFeldbæk 1998:11 consisting of the Kingdom of Denmark, the Kingdom of Norway (including the then Norwegian overseas possessions: the Faroe I ...

became separate countries with the breakup of the

Kalmar Union The Kalmar Union (Danish language, Danish, Norwegian language, Norwegian, and sv, Kalmarunionen; fi, Kalmarin unioni; la, Unio Calmariensis) was a personal union in Scandinavia, agreed at Kalmar in Sweden, that from 1397 to 1523 joined under ...

in 1523. Until 1658, the historic provinces of

Skåne Scania, also known by its native name of Skåne (, ), is the southernmost of the historical provinces (''landskap'') of Sweden. Located in the south tip of the geographical region of Götaland, the province is roughly conterminous with Skåne C ...

Blekinge Blekinge (, old da, Bleking) is one of the traditional Swedish provinces (), situated in the southern coast of the geographic region of Götaland, in southern Sweden. It borders Småland, Scania and the Baltic Sea. It is the country's second ...

and

Bohuslän Bohuslän (; da, Bohuslen; no, Båhuslen) is a Swedish province in Götaland, on the northernmost part of the country's west coast. It is bordered by Dalsland to the northeast, Västergötland to the southeast, the Skagerrak arm of the North Sea ...

(and until 1645 also

Halland Halland () is one of the traditional provinces of Sweden (''landskap''), on the western coast of Götaland, southern Sweden. It borders Västergötland, Småland, Scania and the sea of Kattegat. Until 1645 and the Second Treaty of Brömsebro ...

) belonged to Denmark, so that the Denmark–Sweden border ran across what is now southern Sweden. In 1645 and 1658 respectively, these provinces were ceded to Sweden in the

Treaty of Roskilde The Treaty of Roskilde (concluded on 26 February ( OS), or 8 March 1658) ( NS) during the Second Northern War between Frederick III of Denmark–Norway and Karl X Gustav of Sweden in the Danish city of Roskilde. After a devastating defeat, ...

, establishing the

as a national boundary. The modern

Norway–Sweden border The Norway–Sweden border ( no, Svenskegrensa, sv, Norska gränsen) is a long land national border, and the longest border for both Norway and Sweden. History The border has changed several times because of war. Before 1645, Jämtland, Härj ...

remained the border between Denmark–Norway and Sweden until the breakup of Denmark and Norway in 1814. Under the

Treaty of Kiel The Treaty of Kiel ( da, Kieltraktaten) or Peace of Kiel (Swedish and no, Kielfreden or ') was concluded between the United Kingdom of Great Britain and Ireland and the Kingdom of Sweden on one side and the Kingdoms of Denmark and Norway on the ...

, Denmark retained possession of

and the

Faroe Islands The Faroe Islands ( ), or simply the Faroes ( fo, Føroyar ; da, Færøerne ), are a North Atlantic island group and an autonomous territory of the Kingdom of Denmark. They are located north-northwest of Scotland, and about halfway bet ...

. Iceland became a separate kingdom in union with Denmark in 1918, and became an independent republic in 1944. The

Schleswig-Holstein Question Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Schl ...

became virulent in the context of the

German unification The unification of Germany (, ) was the process of building the modern German nation state with federal features based on the concept of Lesser Germany (one without multinational Austria), which commenced on 18 August 1866 with adoption of t ...

during the 19th century. Following the

Second Schleswig War The Second Schleswig War ( da, Krigen i 1864; german: Deutsch-Dänischer Krieg) also sometimes known as the Dano-Prussian War or Prusso-Danish War was the second military conflict over the Schleswig-Holstein Question of the nineteenth century. T ...

, the terms of

Treaty of Vienna (1864) The Treaty of Vienna (; ) was a peace treaty signed on 30 October 1864 in Vienna between the Austrian Empire, the Kingdom of Prussia, and the Kingdom of Denmark. The treaty ended the Second War of Schleswig. Denmark ceded the Duchy of Schleswig (e ...

gave Schleswig to

Prussia Prussia, , Old Prussian: ''Prūsa'' or ''Prūsija'' was a German state on the southeast coast of the Baltic Sea. It formed the German Empire under Prussian rule when it united the German states in 1871. It was ''de facto'' dissolved by an em ...

, after 1866 as the

Province of Schleswig-Holstein The Province of Schleswig-Holstein (german: Provinz Schleswig-Holstein ) was a province of the Kingdom of Prussia (subsequently the Free State of Prussia after 1918) from 1868 to 1946. History It was created from the Duchies of Schleswig and H ...

. Following the German defeat in

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

, the

Schleswig plebiscites The Schleswig plebiscites were two plebiscites, organized according to section XII, articles 100 to 115 of the Treaty of Versailles of 28 June 1919, in order to determine the future border between Denmark and Germany through the former Duchy of S ...

of in February and March 1920 resulted in a partition of the Schleswig region, establishing the current German-Danish border. Reunification between Denmark and South Jutland (North Schleswig) was signed into Danish law effective 9 July 1920. The new border to Germany was delineated by an international commission in the following months. A Danish-German treaty of 1922 settled a number of minor issues relating to maintenance of the border, fishing in the

Flensburg Fjord Flensburg Firth or Flensborg Fjord (german: Flensburger Förde; da, Flensborg Fjord) is the westernmost inlet of the Baltic Sea. It forms part of the border between Germany to the south and Denmark to the north, on the eastern side of Schleswig ...

, issues relating to the dykes relating to the

Vidå The Vidå (german: Wiedau, North Frisian ''Widuu'') is a creek in The Jutland region of, Denmark. The creek starts east of Tønder and flows to the west, ending in the North Sea. In places the Vidå marks the border between Denmark and Germany (' ...

part of the border and local affairs relating to communities on the new border. Denmark was under

German occupation German-occupied Europe refers to the sovereign countries of Europe which were wholly or partly occupied and civil-occupied (including puppet governments) by the military forces and the government of Nazi Germany at various times between 1939 an ...

from 1940 to 1945, but the pre-war border remained unchanged. The

Nordic Passport Union The Nordic Passport Union allows citizens of the Nordic countriesIceland, Denmark, Norway, Sweden, and Finlandto travel and reside in another Nordic country without any travel documentation (e.g. a passport or national identity card) or a reside ...

of 1958 removed passport checks at the borders between Nordic countries. However, custom checks remained in force between Denmark and other Nordic countries until the

Schengen acquis The Schengen acquis is a set of rules and legislation, integrated into European Union law, which regulate the abolition of border controls at the internal borders within the Schengen Area, as well as the strengthening of border controls at the e ...

of 2001. With the

European migrant crisis The 2015 European migrant crisis, also known internationally as the Syrian refugee crisis, was a period of significantly increased movement of refugees and migrants into Europe in 2015, when 1.3 million people came to the continent to reques ...

, Sweden re-introduced stricter border controls in November 2015. Since 4 January 2016, Sweden has required carriers to perform identity checks on the Danish side of the Denmark–Sweden border, while still keeping the border controls on the Swedish side. As a reaction to the Swedish control, Denmark also strengthened its border controls at the German border. Sweden-Denmark border checks to be extended
''The Local'', 7 January 2016
Denmark's border controls extended for third time
''The Local'', 23 February 2016.

Geography

The

Denmark–Germany border The Denmark–Germany border ( da, Grænsen mellem Danmark og Tyskland; german: Grenze zwischen Dänemark und Deutschland) is long and separates Denmark and Germany. History In the treaty of Heiligen year 811 the Eider was recognized as a b ...

extends for 68 km between

Schleswig-Holstein Schleswig-Holstein (; da, Slesvig-Holsten; nds, Sleswig-Holsteen; frr, Slaswik-Holstiinj) is the northernmost of the 16 states of Germany, comprising most of the historical duchy of Holstein and the southern part of the former Duchy of Sch ...

and the former

South Jutland County South Jutland County (Danish: ''Sønderjyllands Amt'') is a former county (Danish: ''amt'') on the south-central portion of the Jutland Peninsula in southern Denmark. The county was formed on 1 April 1970, comprising the former counties of Aaben ...

. The

(12 nautical miles) of Denmark form a border with

along the

, extending to 115 km. The border between the Danish and Norwegian EEZ runs along the

Skagerrak The Skagerrak (, , ) is a strait running between the Jutland peninsula of Denmark, the southeast coast of Norway and the west coast of Sweden, connecting the North Sea and the Kattegat sea area through the Danish Straits to the Baltic Sea. The ...

, between Faroer and Norway in the

North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...

and between

and Norwegian

Svalbard Svalbard ( , ), also known as Spitsbergen, or Spitzbergen, is a Norwegian archipelago in the Arctic Ocean. North of mainland Europe, it is about midway between the northern coast of Norway and the North Pole. The islands of the group range ...

in the Arctic. The border between Danish and Icelandic EEZ runs along the

Denmark Strait The Denmark Strait () or Greenland Strait ( , 'Greenland Sound') is an oceanic strait between Greenland to its northwest and Iceland to its southeast. The Norwegian island of Jan Mayen lies northeast of the strait. Geography The strait connect ...

between Iceland and

, Kingdom of Denmark, and between Iceland and

, Kingdom of Denmark.

, an island in

Nares Strait , other_name = , image = Map indicating Nares Strait.png , alt = , caption = Nares Strait (boxed) is between Ellesmere Island and Greenland. , image_bathymetry = , alt_bathymetry ...

, was the subject of a

territorial dispute A territorial dispute or boundary dispute is a disagreement over the possession or control of land between two or more political entities. Context and definitions Territorial disputes are often related to the possession of natural resources su ...

between Greenland, Kingdom of Denmark and

. On June 11th, 2022, the island was agreed to be partitioned, ending a decades long dispute.

References

{{Europe topic , Borders of