Iberian nation (5)
I believe the answer is:
spain
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">iberian nation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(country on the Iberian Peninsula)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spain that I've seen before include "European nation" , "EU country" , "Pains badly to be in the country" , "It pains one to be out in this country" , "Kingdom" .)