Andean nation (4)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
'andean nation' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for peru that I've seen before include "Mario Vargas Llosa's country" , "Andes republic" , "South American republic" , "Land of the Incas" , "Lima's country" .)