Country formerly part of Yugoslavia (6)
(Other definitions for bosnia that I've seen before include "Balkan country" , "Balkan state" , "European nation" , "Southeast European country (shortened form)" , "Balkan region joined with Herzegovina" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">country formerly part of yugoslavia</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for serbia that I've seen before include "Raise B in Yugoslavia" , "European country (bordering on 1 across)" , "Braise (anag) - country" , "South-east European country" , "Belgrade's country" .)
(Other definitions for croatia that I've seen before include "Adriatic country" , "East European country" , "Balkan country, capital Zagreb" , "European republic, became independent in 1991" , "Republic in SE Europe, capital Zagreb" .)