It is the nearest village to the source of the river Thames at Thames Head, and it is close to the course of the Foss Way or Fosse Way, the ancient Roman road.
River Thames | Thames | Thames Television | Kingston upon Thames | head | head of state | Beavis and Butt-head | Henley-on-Thames | Alec Head | Murray Head | Head Start | Anthony Head | Head Start Program | Thames Ditton | Diamond Head | Thames Estuary | Thames & Hudson | Norman Foster, Baron Foster of Thames Bank | Human head | Head teacher | Machine Head (band) | Machine Head | Head Over Heels | Head of the River Race | Eddie the Head | Thames Valley | Thames, New Zealand | Thames Ironworks F.C. | Sunbury-on-Thames | London Borough of Richmond upon Thames |
It rarely includes either the source of the Thames at Thames Head in Gloucestershire, or any part of Wiltshire, and does not include the informal entities Central London or the Thames Gateway which surrounds the Thames Estuary.