One of the United Arab Emirates (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">one of the united arab emirates</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dubai that I've seen before include "Persian Gulf state" , "One of the United Arab Emirates" , "One of the UAE and its capital" , "Gulf territory" , "capital and port" .)