Welsh resort (4)
I believe the answer is:
rhyl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">welsh resort</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 rhyl that I've seen before include "Seaside resort in Denbighshire" , "Clwyd resort" , "N Wales resort" , "North Wales resort" , "North Welsh resort" .)