Bulgaria's capital (5)
I believe the answer is:
sofia
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bulgaria's capital</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 sofia that I've seen before include "Capital of Bulgaria" , "European city" , "Balkan capital" , "Bulgarian capital" , "capital place" .)