The most common and most likely answer to this crossword clue is the 6 letter word POLAND
I've seen this crossword clue in The Sunday Telegraph
P
O
L
A
N
D
More clues leading to the result POLAND
- Italian river joins lake with country
- Red Teletubby preferred to yellow, it’s rumoured, in Hollywood country
- Country road almost accessing school
- Come down by river in the country
- Country hiding nothing in scheme tried after three failures?
- Little lake, only ‘half a lake’ in that country
- . Kung-Fu Panda's country?
- Kung Fu Panda's estate in country
- Country song mostly welcomed by Atlantic?
- Country politician, too
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 = poland.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.