Sydenham is a village in Oxfordshire, England.

It is situated within the OX39 postcode district, which is within the Chinnor post town.

OX39 is the only postcode district within the Chinnor post town.

The Chinnor post town is within the Oxford postcode area.

Key data for Sydenham, Oxfordshire:

Administrative Ward: Aston Rowant

Administrative District: South Oxfordshire

Administrative County: Oxfordshire

Country: England

UK Parliament: Henley

NHS Local Health Authority: South Central

NHS Region: Southern

A map showing the location of Sydenham, Oxfordshire within the OX39 postcode district