Havana is its capital (4)
I believe the answer is:
cuba
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">havana is its capital</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 cuba that I've seen before include "Largest West Indies island" , "Caribbean country of cigars and rum?" , "Fidel's place" , "Caribbean island republic" , "Country famous for its cigars" .)