The Friendly Islands (5)
I believe the answer is:
tonga
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the friendly islands</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 tonga that I've seen before include "Pacific Ocean kingdom" , "group of Pacific islands" , "Pacific Ocean monarchy" , "South Pacific island group country" , "transport" .)