Maidenhead is a town and unparished area

Unparished area

In England, an unparished area is an area that is not covered by a civil parish. Most urbanised districts of England are either entirely or partly unparished. Many towns and some cities in otherwise rural districts are also unparished areas and therefore no longer have a town council or city...

 within the Royal Borough of Windsor and Maidenhead

Royal Borough of Windsor and Maidenhead

The Royal Borough of Windsor and Maidenhead is a Royal Borough of Berkshire, in South East England. It became a unitary authority on 1 April 1998.It is home to Windsor Castle, Eton College, Legoland and Ascot Racecourse....

, 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...

. It lies on the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 and is situated 25.7 miles (41.4 km) west of Charing Cross

Charing Cross

Charing Cross denotes the junction of Strand, Whitehall and Cockspur Street, just south of Trafalgar Square in central London, England. It is named after the now demolished Eleanor cross that stood there, in what was once the hamlet of Charing. The site of the cross is now occupied by an equestrian...

 in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

.
Maidenhead's name, strictly speaking, refers to the busy riverside area where the "New wharf

Wharf

A wharf or quay is a structure on the shore of a harbor where ships may dock to load and unload cargo or passengers.Such a structure includes one or more berths , and may also include piers, warehouses, or other facilities necessary for handling the ships.A wharf commonly comprises a fixed...

" or "Maiden Hythe" was built, perhaps as early as Saxon times. It has been suggested that the nearby Great Hill of Taplow was called the "Mai Dun" by the Iron Age Brython

Brython

The Britons were the Celtic people culturally dominating Great Britain from the Iron Age through the Early Middle Ages. They spoke the Insular Celtic language known as British or Brythonic...

s.