Persian Gulf country (7)
I believe the answer is:
bahrain
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">persian gulf country</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 bahrain that I've seen before include "Gulf state" , "Arab sheikhdom" , "kingdom in Middle East" , "Gulf sheikhdom, capital Manama" , "Island country in the Persian Gulf" .)