Capital of Ireland (6)
I believe the answer is:
dublin
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">capital of ireland</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dublin that I've seen before include "Capital of Eire" , "Capital of 8" , "European capital" , "City of 1 across" , "Capital of Ireland" .)