Ancient siege site
I believe the answer is:
troy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ancient siege site</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 the Greeks - system of weights for gems" , "Legendary ancient city of northwest Anatolia" , "City of Paris" , "City destroyed" , "Priam's city" .)