Country with the largest number of Quechua speakers (4)

I believe the answer is:

peru

(Other definitions for peru that I've seen before include "South American republic" , "Homeland of Paddington Bear" , "Machu Picchu country" , "Mario Vargas Llosa's country" , "Paddington Bear's country of birth" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.