Center or centre may refer to:

Mathematics

Center (geometry) In geometry, a centre (or center; ) of an shape, object is a point (geometry), point in some sense in the middle of the object. According to the specific definition of center taken into consideration, an object might have no center. If geometry ...

, the middle of an object *

Center (algebra) The term center or centre is used in various contexts in abstract algebra to denote the set of all those elements that commute with all other elements. * The center of a group ''G'' consists of all those elements ''x'' in ''G'' such that ''xg'' = '' ...

, used in various contexts **

Center (group theory) In abstract algebra, the center of a group, , is the set of elements that commute with every element of . It is denoted , from German '' Zentrum,'' meaning ''center''. In set-builder notation, :. The center is a normal subgroup, . As a sub ...

Center (ring theory) In algebra, the center of a ring ''R'' is the subring consisting of the elements ''x'' such that ''xy = yx'' for all elements ''y'' in ''R''. It is a commutative ring and is denoted as Z(R); "Z" stands for the German word ''Zentrum'', meaning "c ...

* Graph center, the set of all vertices of minimum eccentricity

Places

United States

Centre, Alabama Centre is a city in Cherokee County, Alabama, United States. At the 2020 census, the population was 3,587. The city is the county seat of Cherokee County. History Cherokee County was created on January 9, 1836, and named for the Cherokee peo ...

Center, Colorado The Town of Center is a Statutory Town located in Saguache and Rio Grande counties in Colorado, United States. The town's population was 1,929 at the 2020 United States Census with 1,885 residing in Saguache County and 44 residing in Rio Gran ...

Center, Georgia Center is an unincorporated community in Jackson County, in the U.S. state of Georgia. History An early variant name was "Bascobel". A post office called Bascobel was established in 1826, the name was changed to Center in 1899, and the post offic ...

* Center, Indiana * Center, Jay County, Indiana * Center, Warrick County, Indiana * Center, Kentucky * Center, Missouri * Center, Nebraska *

Center, North Dakota Center is a city in Oliver County, North Dakota, United States. It is the county seat of, and the only incorporated place in, Oliver County. The population was 588 at the 2020 census. History Center was founded in 1902. The city was named from ...

Centre County, Pennsylvania Centre County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 158,172. Its county seat is Bellefonte. Centre County comprises the State College, PA Metropolitan Statistical Area. History The lan ...

* Center, Portland, Oregon *

Center, Texas Center is a city in Shelby County, Texas. The population was 5,221 at the 2020 U.S. census. It is the county seat of Shelby County. It was named for its location near the center of Shelby County, not its location in Texas; it is near th ...

Center, Washington Center is an unincorporated community in Jefferson County, Washington, United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primari ...

* Center, Outagamie County, Wisconsin *

Center, Rock County, Wisconsin Center is a town in Rock County, Wisconsin, United States. The population was 1,005 at the 2000 census. The unincorporated community of Center is in the town. The ghost town of Fellows was also located in the town. Geography According to the Uni ...

Center (community), Wisconsin Center is an unincorporated community in the Town of Center, Rock County, Wisconsin, United States. Located in section 22 of Township 3 North Range 11 East of the Fourth Principal Meridian, Center has been published on USGS maps since 1891. Bet ...

Center Township (disambiguation) Center Township may refer to: Arkansas * Center Township, Montgomery County, Arkansas, in Montgomery County, Arkansas * Center Township, Polk County, Arkansas, in Polk County, Arkansas * Center Township, Pope County, Arkansas * Center Townsh ...

Centre Township (disambiguation) Centre Township may refer to the following townships in the United States: * Centre Township, St. Joseph County, Indiana * Centre Township, Marion County, Kansas * Centre Township, New Jersey * Centre Township, Berks County, Pennsylvania * Cent ...

Centre Avenue (disambiguation) Centre Avenue or Center Avenue may refer to: * Centre Avenue station, a Long Island Rail Road station in East Rockaway, New York, U.S. * Centre Avenue (Pittsburgh), Pennsylvania, U.S. * Center Avenue Neighborhood Residential District, Bay Cit ...

Center Hill (disambiguation) Center Hill can refer to several places in the United States: * Center Hill, Atlanta * Center Hill, Florida * Center Hill, Illinois * Center Hill, North Carolina * Center Hill, Texas * Center Hill Lake, a reservoir in Tennessee {{Geodis ...

Other countries

Centre region, Hainaut The Centre or the Région du Centre is a region within the province of Hainaut in Wallonia, Belgium. It is part of the Sillon industriel or industrial centre of Belgium. It is located between the cities of Mons (the Borinage), Charleroi and Thui ...

, Belgium *

Centre Region, Burkina Faso Centre Province is one of Burkina Faso's 13 administrative regions. The population of Centre Province was 1,727,390 at the 2006 census and increased by 75.6% in 13 years to 3,030,384 at the 2019 census (provisional figure), of which 50.8% was f ...

Centre Region (Cameroon) The Centre Region (french: région du Centre) occupies 69,000 km2 of the central plains of the Republic of Cameroon. It is bordered to the north by the Adamawa Region, to the south by the South Region, to the east by the East Region, and to ...

Centre-Val de Loire Centre-Val de Loire (, , ,In isolation, ''Centre'' is pronounced . ) or Centre Region (french: région Centre, link=no, ), as it was known until 2015, is one of the eighteen administrative regions of France. It straddles the middle Loire Valle ...

, formerly Centre, France *

Centre (department) Centre (French) or Sant (Haitian Creole; both meaning "Center") is one of the ten departments (french: départements, links=no; ht, depatman, links=no) of Haiti, located in the center of the country along the border with the Dominican Republic. ...

, Haiti * Centre Department (Ivory Coast) *

Centre (Chamber of Deputies of Luxembourg constituency) Centre ( lb, Zentrum; french: Centre; german: Zentrum) is one of the four multi-member constituencies of the Chamber of Deputies, the national legislature of Luxembourg. The constituency was established in 1919 following the introduction of pr ...

Centru (development region) Centru (''Centre'') is a development region in Romania. As other development regions, it does not have any administrative powers, its main function being to co-ordinate regional development projects and manage funds from the European Union. Local ...

(Centre), Romania * Center, Celje, Slovenia *

Center District, Ljubljana The Center District ( sl, Četrtna skupnost Center), or simply the Center, is a district () of the City Municipality of Ljubljana in the centre of Ljubljana, the capital of Slovenia. It has an area of about . The district's major thoroughfares ar ...

, Slovenia * Center District, Maribor, Slovenia *

Centre, Badalona Centre is the usual name for the central area of Badalona, a locality in the metropolitan area of Barcelona ( Catalonia, Spain). It's located in the District 1 by the Mediterranean Sea, and is a commercial and residential area with good transport ...

, Catalonia, Spain

Sports

Center (gridiron football) Center or Centre (C) is a position in gridiron football. The center is the innermost lineman of the offensive line on a football team's offense. The center is also the player who passes (or "snaps") the ball between his legs to the quarterback ...

, a position in American and Canadian football * Centre (Australian rules football), a position on the Centre line *

Center (basketball) The center (C), or the centre, also known as the five or the pivot, is one of the five positions in a regulation basketball game. The center is normally the tallest player on the team, and often has a great deal of strength and body mass as well. ...

, a position *

Centre (ice hockey) The centre (or center in the United States) in ice hockey is a forward position of a player whose primary zone of play is the middle of the ice, away from the sideboards. Centres have more flexibility in their positioning and therefore often e ...

, a position * Center (rugby league), a position *

Center (rugby union) In the game of rugby union, there are 15 players on each team, comprising eight forwards (wearing jerseys numbered 1–8) and seven backs (numbered 9–15). In addition, there may be up to eight replacement players "on the bench", numbered 16– ...

, a position *

Center fielder A center fielder, abbreviated CF, is the outfielder in baseball who plays defense in center field – the baseball and softball fielding position between left field and right field. In the numbering system used to record defensive plays, the ...

, often called "center", a position in baseball

Other uses

* The Centre, a shorthand term for the central

Government of India The Government of India ( ISO: ; often abbreviated as GoI), known as the Union Government or Central Government but often simply as the Centre, is the national government of the Republic of India, a federal democracy located in South Asia, ...

Centrism Centrism is a political outlook or position involving acceptance or support of a balance of social equality and a degree of social hierarchy while opposing political changes that would result in a significant shift of society strongly to the ...

, the political middle ground between the left wing and the right wing * The Center (political party), a political party in Switzerland *

Center (band) Center (or Tsentr, Russian: Центр) is a Russian-speaking band, which can be described as eclectic and experimental. The styles of their music are very different, starting with new wave and Russian rock in the early years, crossing over to el ...

, a Russian-speaking band * Center (HTML element), coded with * Centre Academy East Anglia, an independent special school in Brettenham, Suffolk, England *

Centre College Centre College is a private liberal arts college in Danville, Kentucky. It is an undergraduate college with an enrollment of approximately 1,400 students. Centre was officially chartered by the Kentucky General Assembly in 1819. The college is a ...

, a liberal arts college in Danville, Kentucky, United States * Centre Radio, a former British radio station * Centers (Fourth Way), in G.I. Gurdjieff's Fourth Way teaching *

Area control center In air traffic control, an area control center (ACC), also known as a center or en-route center, is a facility responsible for controlling aircraft flying in the airspace of a given flight information region (FIR) at high altitudes between ai ...