Sea to the east of Italy (8)
I believe the answer is:
adriatic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">sea to the east of italy</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 adriatic that I've seen before include "Split is such a port" , "waves" , "Sea to the east of Italy" , "Sea between Italy and former Yugoslavia" , "Part-Mediterranean" .)