South Pacific republic (4)
I believe the answer is:
fiji
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">south pacific republic</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 fiji that I've seen before include "Country of many islands" , "South Pacific country of some 840 islands" , "South Pacific country, capital Suva" , "Pacific island country" , "Pacific island state" .)