Gulf of Guinea capital (5)
I believe the answer is:
accra
'gulf of guinea capital' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for accra that I've seen before include "Capital city of Ghana" , "Ghana's capital" , "Ghanaian city" , "Capital of Ghana, African fritter" , "Largest city of Ghana" .)