The <a href="https://en.wikipedia.org/wiki/European_Union_Customs_Union" class="extiw" title="w:European Union Customs Union">European Union Customs Union</a> comprises the <a href="https://en.wikipedia.org/wiki/European_Union" class="extiw" title="w:European Union">European Union</a> (blue), <a href="https://en.wikipedia.org/wiki/Turkey" class="extiw" title="w:Turkey">Turkey</a>, Andorra and San Marino (light blue).
<ul><li><a href="//commons.wikimedia.org/wiki/File:European_Union_as_a_single_entity.svg" title="File:European Union as a single entity.svg">File:European Union as a single entity.svg</a>: <a href="//commons.wikimedia.org/wiki/User:CrazyPhunk" title="User:CrazyPhunk">CrazyPhunk</a></li>
<li>derivative work <a href="//commons.wikimedia.org/wiki/User:Kolja21" title="User:Kolja21">Kolja21</a></li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:European_Union_as_a_single_entity.svg" title="File:European Union as a single entity.svg">File:European Union as a single entity.svg</a></li></ul>