Where Paris took Helen (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">where paris took helen</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for troy that I've seen before include "City besieged by Greeks to rescue Helen" , "The war for it, Homer" , "Ancient city; type of weight" , "Ancient city besieged by the Greeks" , "Iliad siege city" .)