Land of the Incas (4)
I believe the answer is:
'land of the incas' 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" , "South American republic" , "Paddington Bear's country of birth" , "Andes republic" , "South American state" .)