The most common and most likely answer to this crossword clue is the 9 letter word BUCHAREST
I've seen this crossword clue in Financial Times
B
U
C
H
A
R
E
S
T
More clues leading to the result BUCHAREST
- Posh daily located in most suitable capital
- Reach out during break in European capital
- University cleaner in most superior European capital
- However short, tea break is capital!
- Group disheartened by a holiday in foreign capital
- A Schubert composition is capital
- A butcher’s working capital
- Vigorously administer a chest rub in Balkan city
- First to provide housing for initially Utopian, cleaner city
- Posh daily purchased by choice in capital
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.