Galileo's birthplace (4)
I believe the answer is:
pisa
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">galileo's birthplace</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 pisa that I've seen before include "City in Tuscany" , "Italian city with famous tower" , "much-visited city" , "There's a marked inclination here" , "listed building site" .)