Danish capital (10)
I believe the answer is:
copenhagen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">danish capital</span>' is the definition.<br/ ><span class="explanation-format__explanation">(capital of Denmark)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for copenhagen that I've seen before include "Capital - Wellington's warhorse" , "below Wellington" , "European capital" , "Danish capital" , "Duke of 21's horse at Waterloo -- capital city" .)