The <a href="https://en.wikipedia.org/wiki/European_Union_Customs_Union" class="extiw" title="en:European Union Customs Union">en:European Union Customs Union</a> comprises the <a href="https://en.wikipedia.org/wiki/European_Union" class="extiw" title="en:European Union">en:European Union</a> (blue), <a href="https://en.wikipedia.org/wiki/Turkey" class="extiw" title="en:Turkey">en:Turkey</a>, Andorra and San Marino (light blue). Together with the <a href="https://en.wikipedia.org/wiki/European_Economic_Area" class="extiw" title="en:European Economic Area">EEA</a> countries Island, Liechtenstein and Norway (green) they form a free trade area.
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<ul><li><a href="//commons.wikimedia.org/wiki/File:Europ%C3%A4ische_Zollunion.svg" title="File:Europäische Zollunion.svg">Europäische_Zollunion.svg</a></li></ul>