Berlin-Brandenburg border

E180734

administrative boundary internal border of Germany

The Berlin-Brandenburg border is the administrative and geographic boundary separating Germany’s capital city-state of Berlin from the surrounding federal state of Brandenburg.

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All labels observed (7)

Label	Occurrences
Berlin city boundary	2
Berlin border zone	1
Berlin-Brandenburg border canonical	1
Berlin–Brandenburg border	1
Berlin–Potsdam border	1
Brandenburg–Berlin border area	1
Potsdam–Berlin border	1

How this entity was disambiguated

This entity first appeared as the object of triple T1594268 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Berlin-Brandenburg border
Context triple: [Havel, crosses, Berlin-Brandenburg border]

A. inner German border
The inner German border was the heavily fortified frontier that separated East and West Germany during the Cold War, symbolizing the division of Europe.
B. German-Czech border
The German-Czech border is an international boundary in Central Europe that largely follows natural features such as the Ore Mountains, separating Germany from the Czech Republic.
C. Polish–German border
The Polish–German border is the international boundary separating Poland and Germany, largely following the Oder–Neisse line established after World War II.
D. Czechoslovakia–West Germany border
The Czechoslovakia–West Germany border was a heavily fortified Cold War frontier separating the communist Eastern Bloc from democratic Western Europe.
E. Danish–German border
The Danish–German border is the international boundary separating Denmark and Germany, running across the Jutland Peninsula and marking the division between the two countries’ territories and cultures.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Berlin-Brandenburg border
Target entity description: The Berlin-Brandenburg border is the administrative and geographic boundary separating Germany’s capital city-state of Berlin from the surrounding federal state of Brandenburg.

A. inner German border
The inner German border was the heavily fortified frontier that separated East and West Germany during the Cold War, symbolizing the division of Europe.
B. German-Czech border
The German-Czech border is an international boundary in Central Europe that largely follows natural features such as the Ore Mountains, separating Germany from the Czech Republic.
C. Polish–German border
The Polish–German border is the international boundary separating Poland and Germany, largely following the Oder–Neisse line established after World War II.
D. Czechoslovakia–West Germany border
The Czechoslovakia–West Germany border was a heavily fortified Cold War frontier separating the communist Eastern Bloc from democratic Western Europe.
E. Danish–German border
The Danish–German border is the international boundary separating Denmark and Germany, running across the Jutland Peninsula and marking the division between the two countries’ territories and cultures.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	administrative boundary ⓘ internal border of Germany ⓘ
affects	planning and zoning competence between Berlin and Brandenburg ⓘ policing jurisdiction between Berlin and Brandenburg ⓘ school district and education administration between Berlin and Brandenburg ⓘ tax jurisdiction between Berlin and Brandenburg ⓘ
belongsTo	Schengen Area internal borders ⓘ linked to: Schengen Area
borderType	land border ⓘ
coordinateSystem	defined in German cadastral and mapping systems ⓘ
country	Germany ⓘ
crossedBy	federal highways between Berlin and Brandenburg ⓘ local roads between Berlin and Brandenburg ⓘ motorways between Berlin and Brandenburg ⓘ public transport lines of Verkehrsverbund Berlin-Brandenburg ⓘ railway lines between Berlin and Brandenburg cities ⓘ
demarcates	jurisdiction of Berlin authorities ⓘ jurisdiction of Brandenburg authorities ⓘ
encloses	territory of Berlin ⓘ
establishedAfterEvent	German reunification ⓘ
establishedInCurrentForm	1990 ⓘ
followsHistoricalBoundaryOf	former Province of Brandenburg ⓘ linked to: Province of Brandenburg former city of Berlin (West and East combined) ⓘ
governedBy	treaties and agreements between Berlin and Brandenburg ⓘ
hasCapitalOnOneSide	Berlin ⓘ
hasNoBorderControl	yes ⓘ
historicallyRelatedTo	border between East Berlin and Bezirk Frankfurt (Oder) (GDR era) ⓘ border between East Berlin and Bezirk Potsdam (GDR era) ⓘ
isBorderOf	Berlin ⓘ Brandenburg ⓘ German capital region ⓘ linked to: Berlin-Brandenburg metropolitan region
languageRegion	German-speaking area ⓘ
legalStatus	state boundary under German Basic Law ⓘ
locatedIn	eastern Germany ⓘ
outerBoundaryOf	Berlin metropolitan area core ⓘ linked to: Berlin-Brandenburg metropolitan region
partOf	boundary system of German federal states ⓘ
passesNear	Falkensee ⓘ Hennigsdorf ⓘ Kleinmachnow ⓘ Oranienburg ⓘ Potsdam ⓘ Teltow ⓘ
separates	Berlin ⓘ Brandenburg ⓘ
separatesAdministrativeUnits	city-state of Berlin ⓘ federal state of Brandenburg ⓘ linked to: Brandenburg
usedFor	administrative service provision boundaries ⓘ electoral district delimitation at state level ⓘ statistical delineation of Berlin and Brandenburg ⓘ
wasInnerGermanBorder	no ⓘ

How these facts were elicited