The most common and most likely answer to this crossword clue is the 2 plus 4 letter word LE MANS
I've seen this crossword clue in The Times
L
E
M
A
N
S
More clues leading to the result LE MANS
- Old-fashioned sweetheart's somewhere in France
- French race venue tends to receive millions
- Celebrity raised in outskirts of Limoges, French city
- City‘s bankrupt financiers, hard to ignore
- Scene of motor race with bends covering miles
- Lists including motorway as place to race
- Slowcoach ropes me in, for one, to move up in race situation
- Monaco’s first in lists as race venue
- Celebrity left, turning back on small French city
- Where people go round night and day getting to the heart of problem answers
Buddy explains!

The straight part
We know that "somewhere in France" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case somewhere in france = le mans.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.