The most common and most likely answer to this crossword clue is the 6 letter word GAMBIA
I've seen this crossword clue in The Times
G
A
M
B
I
A
More clues leading to the result GAMBIA
- Short opening move by a foreign state
- A doctor stops soldier going to a country
- Disney film with king ultimately replacing leader over a nation
- Brief tactic to overcome a state
- Note by a doctor to one going to a foreign country
- 8 reported beer after school
- Am in a big muddle in Africa
- Country doctor introduced to Phoebe’s mum
- First step, not last, to reach a country
- Unknown leading African country replaced by good leader in this one
Buddy explains!

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