Top unfinished article started in ancient city (6)
I believe the answer is:
thebes
'ancient city' is the definition.
(ancient Greek city)
'top unfinished article started' is the wordplay.
I cannot really see how this works, but
'article' could be 'the' (the definite article in English) and 'the' is located in the answer.
The remaining letters 'bes' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...
'in' is the link.
Can you help me to learn more?
(Other definitions for thebes that I've seen before include "Ancient city, a rival to Athens" , "Ancient Nile city" , "Old Egyptian city" , "Greek city of Oedipus" , "Greek city founded by Cadmus" .)