Persia (4)
I believe the answer is:
iran
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">persia</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for iran that I've seen before include "Country of western Asia" , "It was known as Persia until 1935" , "Modern name for Persia" , "oil supplier" , "foreign land" .)