Adwick upon Dearne is a village in South Yorkshire, England.
It is situated within the S64 postcode district, which is within the Mexborough post town.
S64 is the only postcode district within the Mexborough post town.
The Mexborough post town is within the Sheffield postcode area.
Administrative Ward: Mexborough
Administrative District: Doncaster
Country: England
UK Parliament: Doncaster North
NHS Local Health Authority: Yorkshire and the Humber
NHS Region: North, Midlands and the East