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Countries That Have Ever Bordered the European Union

Can you name every country the European Union has shared a border with since the formation of the European Coal and Steel Community in 1952?
Austrian Occupation Zones are included, however France’s Occupation Zone was not a part of the ECSC/EU.
Bordering Colonies and Protectorates are included yet greyed out, since their mother countries were part of the European Union, however they were not.
Quiz by
Chad
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Last updated: October 28, 2025
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First submittedSeptember 24, 2021
Times taken294
Average score81.4%
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Years
Country
1981-
Albania
1952-
Andorra
1955-1995
Austria
2004-
Belarus
2013-
Bosnia and
Herzegovina
1952-
Brazil
1981-2007
Bulgaria
2004-2013
Croatia
1952-1993
Czechoslovakia
1993-2004
Czech Republic
1952-1973
Denmark
1952-1975
Dutch Surinam
1952-1990
East Germany
1952-1955
French Occupation Zone (Austria)
1958-1960
French Mauritania
1952-1956
French Morocco
1957-
1958
French Military Zone
(Southern Tunisia)
1958-1960
French Niger
1958-1960
French Sudan
1952-1957
French Southern Territories
1952-1956
French Tunisia
1957-1958
French West Africa
1995-2004
Hungary
1957-1962
Libya
1995-
Liechtenstein
1960-1962
Mali
1960-1960
Mali Federation
1960-1962
Mauritania
2007-
Moldova
1952-
Monaco
2013-
Montenegro
1956-1962
1986-
Morocco
1960-1962
Niger
1991-
North Macedonia
1995-
Norway
1990-2004
Poland
2004-2007
Romania
1995-
Russia
1952-1957
Saarland
1952-
San Marino
2004-
Serbia
1955-2004
Slovakia
1991-2004
Slovenia
1952-1955
Soviet Union
1952-1986
Spain
1957-1958
Spanish West Africa
1975-
Suriname
1952-
Switzerland
1956-1962
Tunisia
1981-
Turkey
2004-
Ukraine
1952-1955
2020-
United Kingdom
1952-1955
United States
1952-
Vatican City
1952-1991
Yugoslavia
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