Pub surrounds bordering on Zambia and a market (6)
I believe the answer is:
bazaar
'market' is the definition.
(bazaar is a kind of market)
'pub surrounds bordering on zambia and a' is the wordplay.
'pub' becomes 'bar' (both are drinking establishments).
'surrounds' is an insertion indicator.
'bordering on zambia' becomes 'az' (I can't explain this - if you can you should believe this answer much more).
'and' says to put letters next to each other.
'az'+'a'='aza'
'bar' placed around 'aza' is 'BAZAAR'.
Can you help me to learn more?
(Other definitions for bazaar that I've seen before include "Group of stalls, or oriental origin" , "Parish event" , "Oriental market place" , "A kind of oriental market" , "Eastern marketplace" .)