Aggro i.e. fighting in the country (7)
I believe the answer is:
georgia
'country' is the definition.
'aggro i e fighting' is the wordplay.
'fighting' indicates an anagram (I've seen this in other clues).
'aggro'+'i'+'e'='aggroie'
'aggroie' anagrammed gives 'GEORGIA'.
'in the' acts as a link.
(Other definitions for georgia that I've seen before include "Nation state" , "American state, capital Atlanta" , "Country in the Caucasus" , "US state -- Black Sea state" , "Country on the Black Sea, where Stalin was born" .)