The most common and most likely answer to this crossword clue is the 6 letter word SERBIA
I've seen this crossword clue in The Guardian
S
E
R
B
I
A
More clues leading to the result SERBIA
- State of rabbit regularly engulfed by tidal water
- Country where rabies is unusual
- Dancing bear is somewhere in the Balkans
- Dancing bear is from this country
- Short programme about British nation
- Rabies may come from foreign country
- Country where runny Brie’s before appetising starter
- Outbreak of rabies in part of Europe
- Raise bananas around Blue State
- Rabies ravaged European nation
Buddy explains!

The straight part
We know that "somewhere in the Balkans" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case somewhere in the balkans = serbia.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.