Sedbury is a village in Gloucestershire, England.
It is situated within the NP16 postcode district, which is within the Chepstow post town.
NP16 is the only postcode district within the Chepstow post town.
The Chepstow post town is within the Newport postcode area.
Administrative Ward: Tidenham
Administrative District: Forest of Dean
Administrative County: Gloucestershire
Country: England
UK Parliament: Forest of Dean
NHS Local Health Authority: South West
NHS Region: Southern