The most common and most likely answer to this crossword clue is the 6 letter word MONACO
I've seen this crossword clue in The Sunday Telegraph
M
O
N
A
C
O
More clues leading to the result MONACO
- Where to find rich male, on account of ditching female
- Is able to rise in low country
- Recording absorbing account in principality
- Doctor can back old GP site
- State low to seize returning vessel
- Second refusal to admit current state in Med
- Site of many casinos: card cut in one
- One touring a cold country
- Summon a coalition to control European country
- John's ascent in low state
Buddy explains!
The straight part
We know that "Site of many casinos" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case site of many casinos = monaco.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.