Ashbourne was a

Rural District Rural districts were a type of local government area – now superseded – established at the end of the 19th century in England, Wales, and Ireland for the administration of predominantly rural areas at a level lower than that of the Ad ...

in Derbyshire, England from 1894 to 1974.F A Youngs Jr., ''Guide to the Local Administrative Units of England, Vol II: Northern England'', London, 1991 It was created under the Local Government Act 1894. It was enlarged in 1934 when

Sudbury Sudbury may refer to: Places Australia * Sudbury Reef, Queensland Canada * Greater Sudbury, Ontario (official name; the city continues to be known simply as Sudbury for most purposes) ** Sudbury (electoral district), one of the city's federal e ...

Rural District was abolished and amalgamated into the district. The district was abolished in 1974 under the

Local Government Act 1972 The Local Government Act 1972 (c. 70) is an Act of the Parliament of the United Kingdom that reformed local government in England and Wales on 1 April 1974. It was one of the most significant Acts of Parliament to be passed by the Heath Gov ...

and combined with various other local government districts of western Derbyshire to form the new West Derbyshire district (subsequently renamed Derbyshire Dales).

References

Districts of England created by the Local Government Act 1894 Districts of England abolished by the Local Government Act 1972 History of Derbyshire Rural districts of England {{UK-gov-stub