A castle is a type of fortified structure built during the Middle Ages. Castle or Castles may also refer to: Arts, entertainment, and media Games Castle (card game), also known as Palace, a shedding card game designed by Bruno Faidutti and Serge Laget Castle (shogi), a defensive structure used in the game shogi Castle, in chess, an informal term for rook To castle, or castling, in chess Castles (video game), developed by Quicksilver and published by Interplay Entertainment in 1991 and 1992 Literature Castle (book), a 1977 book by David Macaulay Castle (novel), a 2000 novel by Garth Nix Music Castle (Sherman Chung album), 2008 Castle (Jolin Tsai album), 2004 Castle (Halsey song), 2015 Castles (song), by Freya Ridings (2019) Castles, an album by Joy of Cooking (1972) "Castle", a song by Eminem from the album Revival (2017) "Castle", a song by Macklemore & Ryan Lewis from the album The Heist (2012) Other uses in arts, entertainment, and media Castle (TV series), an American TV series, 2009–2016 Castles (TV series), a British soap opera, 1995 Business and organisations Castle (company), a British loudspeaker manufacturer Castle Building Centres Group, Canadian retailers of lumber and building materials Castle Communications, a British record label Castle Technology, a British computer company People Castle (surname), including a list of people and fictional characters with that name Places United Kingdom Castle (Abergavenny ward), an electoral ward in Monmouthshire, Wales Castle (Colchester electoral ward), Essex, England Castle (District Electoral Area), Belfast, Northern Ireland Castle, Bedford Castle, Cambridge Castle, Cardiff Castle, Leicester Castle, Newcastle upon Tyne Castle, Swansea United States Castle, Oklahoma Other uses Castle Project, a computer application framework Operation Castle, a series of nuclear tests in 1954 University College, Durham, England, known informally as Castle USS Castle (DD-720), an uncompleted U.S. Navy destroyer See also Aftercastle, part of a ship Castle class (disambiguation) Castle House (disambiguation) Castle River (disambiguation) Castle series (disambiguation) Forecastle, part of a ship Fort (disambiguation) Fortress (disambiguation) Palace (disambiguation) Royal Castle (disambiguation) The Castle (disambiguation) White Castle (disambiguation)