Windsor was a rural district

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Rural districts were a type of local government area – now superseded – established at the end of the 19th century in England, Wales, and Ireland for the administration of predominantly rural areas at a level lower than that of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

 in Berkshire

Berkshire

Berkshire is a historic county in the South of England. It is also often referred to as the Royal County of Berkshire because of the presence of the royal residence of Windsor Castle in the county; this usage, which dates to the 19th century at least, was recognised by the Queen in 1957, and...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 from 1894 to 1974.

It was formed under the Local Government Act 1894

Local Government Act 1894

The Local Government Act 1894 was an Act of the Parliament of the United Kingdom that reformed local government in England and Wales outside the County of London. The Act followed the reforms carried out at county level under the Local Government Act 1888...

 as a successor to the Windsor rural sanitary district. It consisted of the parishes of Clewer Without, Old Windsor

Old Windsor

Old Windsor is a large village and civil parish in the Royal Borough of Windsor and Maidenhead in the English county of Berkshire.-Location:...

, Sunningdale

Sunningdale

Sunningdale is a large village and civil parish in the Royal Borough of Windsor and Maidenhead in Berkshire, England.-Location:Sunningdale is located close to the present border with Surrey, and is not far from Ascot, Sunninghill and Virginia Water. It is situated 24 miles west of London and 7...

, and Sunninghill

Sunninghill, Berkshire

Sunninghill is a village in the civil parish of Sunninghill and Ascot in the Royal Borough of Windsor and Maidenhead in the English shire county of Berkshire-Location:...

. Clewer Without was absorbed into the borough of New Windsor

Windsor, Berkshire

Windsor is an affluent suburban town and unparished area in the Royal Borough of Windsor and Maidenhead in Berkshire, England. It is widely known as the site of Windsor Castle, one of the official residences of the British Royal Family....

 in 1920.

The district was abolished in 1974 under the Local Government Act 1972

Local Government Act 1972

The Local Government Act 1972 is an Act of Parliament in the United Kingdom that reformed local government in England and Wales on 1 April 1974....

, going on to form part of the Windsor and Maidenhead district.