The administrative centre of Devon (6)
I believe the answer is:
exeter
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">the administrative centre of devon</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 exeter that I've seen before include "Devonshire city" , "South-western English city" , "Administrative centre of Devon" , "The modern Isca Dumnoniorum" , "County town and cathedral city of Devon" .)