The most common and most likely answer to this crossword clue is the 9 letter word CHINATOWN
I've seen this crossword clue in The Times
C
H
I
N
A
T
O
W
N
More clues leading to the result CHINATOWN
- Outstanding feature, a draw at new part of city
- Ethnic quarter feature, one keeping two busy
- Nowt wrong supporting mate from London in the immigrant community
- Country gent finally gets wife to stop working in this area of London
- In pow-wow about private area of W1
- Wind can now hit ethnic enclave
- Doctor on watch in ethnic quarter
- Is this ethnic area part of the Potteries?
- In Cochin, a townhouse screens a film
- Film shot with Canon
Buddy explains!

The straight part
We know that "part of city" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of city = chinatown.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.