The capital of the Bahamas (6)
I believe the answer is:
nassau
'the capital of the bahamas' is the definition.
('Nassau' can be a synonym of 'capital of the bahamas')
This is all the clue.
(Other definitions for nassau that I've seen before include "Bahamian capital" , "city" , "Port of the Bahamas" , "Caribbean resort" , "Saunas (anag)" .)