Muslim holy city (5)
I believe the answer is:
mecca
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">muslim holy city</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 mecca that I've seen before include "Islamic holy city" , "Mohammed's birthplace" , "Moslem holy city" , "hallowed ground" , "Pilgrimage site" .)