A castle is a fortified structure used to defend a territory; see also, List of castles.

Castle or Castles may also refer to:

• University College, Durham, commonly known as "castle"
• Operation Castle, a series of nuclear tests conducted in 1954
  • Castle Bravo, its first test
• GWR 4073 Class, the "Castle" class of steam locomotive
• Castle class corvettes, the follow on to the Flower class corvette of World War Two
• Castles (estate agents), in the UK
• Castle Project, an application framework for the .Net platform

Companies

• Castle Building Centres Group Ltd., Canadian retailers of lumber and building materials
• Castle Communications, a record label
• Castle Technology, a British computer company based in Cambridge
• Castle Air, a British helicopter charter and sales company
• Castle (company), a British loudspeaker manufacturer

Places

• Castle, Bedford, an electoral ward in Bedford, England
• Castle, Swansea, an electoral ward in Swansea, Wales
• Castle, Oklahoma, a town in the United States
• Castle Geyser in the Upper Geyser Basin of Yellowstone
• Canine Castle the property of a Victorian London dog dealer
• Smithsonian Institution Building, in Washington, D.C., nicknamed "The Castle"
• Newcastle-under-Lyme, known simply as "castle" to many local people
• Castle Towers Mountain, a mountain in British Columbia, Canada

Entertainment

• Castling, a move in chess involving the king and rook. "Castle" is a verb for the act of castling
• Rook (chess), a chess piece sometimes (formerly or informally) known as the "castle"
• Vernon and Irene Castle, ballroom dancers
• Castle (novel), the second book in The Seventh Tower series
• Castle (book) (1978), a Caldecott Honor award-winning book by David Macaulay
• Castle (card game)
• Castles (video game), released by Interplay in 1991
• Castles II: Siege and Conquest, a 1992 sequel to the above game
• Castle (TV series), an American television series
• Castle (Chuck), a secret government installation in the TV series Chuck

Ships

• USS Castle (DD-720), a planned United States Navy destroyer laid down in 1945 but never completed

[edit] See also

• The Castle (disambiguation)
• Castle House (disambiguation)

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