A capital rank Arab holds (6)

I believe the answer is:

ankara

'a capital' is the definition.
(Ankara is an example)

'rank arab holds' is the wordplay.
'holds' indicates the answer is hidden within the clue.
'ANKARA' can be found hidden inside 'rank arab'.

(Other definitions for ankara that I've seen before include "Turkey's capital" , "Capital established by Ataturk" , "Capital of Turkey" , "European capital" , "Capital city" .)

I've seen this clue in The Telegraph.

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