Berwick is a village in East Sussex, England.

It is situated within the BN26 postcode district, which is within the Polegate post town.

BN26 is the only postcode district within the Polegate post town.

The Polegate post town is within the Brighton postcode area.

Key data for Berwick, East Sussex:

Administrative Ward: Alfriston

Administrative District: Wealden

Administrative County: East Sussex

Country: England

UK Parliament: Lewes

NHS Local Health Authority: South East Coast

NHS Region: Southern

A map showing the location of Berwick, East Sussex within the BN26 postcode district