Saint Catherine's birthplace (5)
I believe the answer is:
siena
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">saint catherine's birthplace</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 siena that I've seen before include "somewhere in Italy)" , "City of St Catherine in Tuscany" , "Tuscan town" , "Italian location" , "Italian city strangely in sea" .)