Brook is a village in Hampshire, England.
It is situated within the SO20 postcode district, which is within the Stockbridge post town.
SO20 is the only postcode district within the Stockbridge post town.
The Stockbridge post town is within the Southampton postcode area.
Administrative Ward: Kings Somborne and Michelmersh
Administrative District: Test Valley
Administrative County: Hampshire
Country: England
UK Parliament: Romsey and Southampton North
NHS Local Health Authority: South Central
NHS Region: Southern