Ukrainian peninsula (6)
I believe the answer is:
crimea
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ukrainian peninsula</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for crimea that I've seen before include "1853-56 war zone" , "Yalta peninsula" , "Scene of the charge of the Light Brigade" , "High-quality black tea" , "old war zone" .)