Republic of China (6)
I believe the answer is:
taiwan
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">republic of china</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 taiwan that I've seen before include "State" , "foreign island" , "Island in East" , "Formerly Formosa" , "Former Formosa" .)