The most common and most likely answer to this crossword clue is the 6 letter word BRUNEI
I've seen this crossword clue in Independent
B
R
U
N
E
I
More clues leading to the result BRUNEI
- Old magical character I found east of Black Country
- State of book, one containing old letter
- Country character of yesteryear in small piece
- Book published that is about part of Borneo
- Sultanate, British, and a French one
- Be one about to lead nation
- Old character into AC/DC? You might get stoned for that here
- Britain to oversee East Indian country
- Country Britain governed that is overthrown
- Bard regularly worked in EU country
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 = brunei.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.