Island republic (10)
I believe the answer is:
madagascar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">island republic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for madagascar that I've seen before include "Island republic in the Indian Ocean" , "Large island off the east coast of Africa" , "Part of Africa" , "Island republic of Africa" , "film" .)