Southease is a village in East Sussex, England.
It is situated within the BN7 postcode district, which is within the Lewes post town.
The full list of postcode districts within the Lewes post town is as follows:
The Lewes post town is within the Brighton postcode area.
Administrative Ward: Kingston
Administrative District: Lewes
Administrative County: East Sussex
Country: England
UK Parliament: Lewes
NHS Local Health Authority: South East Coast
NHS Region: Southern