European country, capital Vienna (7)
I believe the answer is:
austria
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">european country</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(country in Europe)</span><br/ ><br/ >'<span class="explanation-format__original">capital vienna</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that Austria has the capital city Vienna)</span><br/ ><br/ ></span>
(Other definitions for austria that I've seen before include "Its ruling house was the Hapsburgs" , "Republic of central Europe" , "land in Europe" , "Find US tiara in this country" , "The Von Trapps lived there" .)