Tadcaster is a market community and also civil parish in the Selby area of North Yorkshire, England, 3 miles (5 kilometres) eastern of the Great North Road, 12 miles (19 km) north-east of Leeds, and 10 miles (16 kilometres) south-west of York. The River Wharfe joins the River Ouse regarding 10 miles (16 kilometres) downstream from it. Tadcaster is twinned with Saint-Chély-d'Apcher in France. For city government functions, the River Wharfe divides the town into eastern and western selecting wards. The combined population of Tadcaster East and Tadcaster West in 2004 was 7,280, 3,800 in Tadcaster East as well as 3,480 in Tadcaster West (resource: Office for National Statistics). The local authority is Selby District Council. Tadcaster provided its name to a much bigger rural district council, Tadcaster Rural Area as well as other administrative areas. This may bring about confusion when contrasting the dimension and also level of the current town with information for earlier periods. For example, the population in 1911 of the Tadcaster sub-district was 6831 compared to that of the Tadcaster Registration District, 32052 (resource: A Vision of Britain with time).