Cooked chateaubriand stuffed with black Cretan nuts exported in emirate (3,5)

I believe the answer is:

abu dhabi

I'm a little stuck... Click here to teach me more about this clue!

'emirate' is the definition.
The answer and definition can be both locations as well as being singular nouns.
Perhaps you can see an association between them that I can't see?

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for abu dhabi that I've seen before include "'UAE capital (3,5)'" , "Asian capital" , "Capital city of UAE" , "Federal capital of the United Arab Emirates" , "Arab state" .)

I've seen this clue in The Telegraph.

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.