Arabian peninsula nation (4)

I believe the answer is:

oman

(Other definitions for oman that I've seen before include "Nation" , "Gulf sultanate" , "Gulf state" , "Muscat's country" , "Sultanate in southwest Asia" .)

I've seen this clue in The 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.