The most common and most likely answer to this crossword clue is the 6 letter word DENVER
I've seen this crossword clue in The Guardian
D
E
N
V
E
R
More clues leading to the result DENVER
- City‘s place of vice, always hiding its face
- City singer
- Cleric returning to study US city
- City garden, very concealed
- Cleric turning up to pursue study in US city
- . Doctor takes cover, 50% in Colorado
- Democrat never swapped top spots in state capital
- About to leave Reverend confused in the city
- Reverend Sparks brought back the singer of “Annie’s Song”
- US city minister returning to study
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.