The abbey of Westminster. • The City of Westminster: a London borough of Greater London including the principal offices of the British government. • A neighbourhood in central London; the administrative centre of the borough of Westminster. • The Palace of Westminster • The British parliament, based at the Palace of Westminster. • A northern suburb of Ellesmere Port, Cheshire West and Chester district, Cheshire, England (OS grid ref SJ4076). • A number of places in the United States: • A city in Orange County, California. • A city in Adams County and Jefferson County, Colorado. • A census-designated place in East Baton Rouge Parish, Louisiana. • A city, the county seat of Carroll County, Maryland. • A town in Worcester County, Massachusetts. • A ghost town in Paradise Township, Grand Traverse County, Michigan. • An unincorporated community in Auglaize Township, Allen County, Ohio. • A city in Oconee County, South Carolina. • An unincorporated community and census-designated place, formerly a city in Collin County, Texas. • A town and village in Windham County, Vermont. • A community in Alfred and Plantagenet township, eastern Ontario, Canada. • A neighbourhood, formerly a town, now within the City of London, Ontario. • A village in the Free State province, South Africa, founded by the Duke of Westminster. • A suburb of Perth in the City of Stirling, Western Australia. • An English dukedom.