Potala Palace city (5)
I believe the answer is:
lhasa
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">potala palace 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 lhasa that I've seen before include "Asian capital" , "Group; stripe" , "Capital of Tibet" , "Tibetan capital" , "foreign capital" .)