Title: City of Westminster
Content:  The City of Westminster is a city and borough in Inner London which forms a core part of Central London. It is the site of the United Kingdom's Houses of Parliament and much of the British government. The city and borough's southern boundary is the Thames. It occupies a large area of central Greater London, including most of the West End. To the City of Westminster's east is the City of London and to its west is the Royal Borough of Kensington and Chelsea. To its north is the London Borough of Camden. Historically, Westminster was a part of the ceremonial county of Middlesex. Many London landmarks are within the borough, including Buckingham Palace, the Palace of Westminster (Houses of Parliament), Westminster Abbey, Whitehall, 10 Downing Street, 
Title: List of tourist attractions in the City of Westminster
Content: Westminster Cathedral 
Title: Westminster
Content:  Westminster is a district in Central London, part of the wider City of Westminster. The area, which extends from the River Thames to Oxford Street has many visitor attractions and historic landmarks, including the Palace of Westminster, Buckingham Palace, Westminster Abbey, Westminster Cathedral and much of the West End shopping and entertainment district. The name (Westmynstre) originated from the informal description of the abbey church and royal peculiar of St Peter's (Westminster Abbey), west of the City of London (until the Reformation there was also an Eastminster, near the Tower of London, in the East End of London). The abbey's origins date from between the 7th and 10th centuries, but it rose to national prominence when rebuilt by Edward the Confessor in the 11th. It has been the home of England's government since about 1200, and from 1707 the Government of the United Kingdom. Westminster often refers to the Parliament of the United Kingdom, in the Palace of Westminster.
Title: Westminster City Hall
Content:  Westminster City Hall is a municipal building in Victoria Street in Westminster, London. It is the headquarters of Westminster City Council.
Title: City of Westminster
Content:  The City of Westminster contains the some of the most famous sites in London, including Buckingham Palace, Westminster Abbey, the Palace of Westminster (Houses of Parliament) and Big Ben.
Title: Westminster City Council
Content:  Westminster City Council is the local authority for the City of Westminster in Greater London, England. It is a London borough council and is entitled to be known as a city council, which is a rare distinction in the United Kingdom. The city is divided into 20 wards, each electing three councillors. The council is currently composed of 41 Conservative Party members and 19 Labour Party members. The council was created by the London Government Act 1963 and replaced three local authorities: Paddington Metropolitan Borough Council, St Marylebone Metropolitan Borough Council and Westminster Borough Council.
Title: University of Westminster
Content:  The University of Westminster is a public research university based in London, United Kingdom. Founded in 1838 as the Royal Polytechnic Institution, it was the first polytechnic to open in London. The Polytechnic formally received a Royal charter in August 1839, and became the University of Westminster in 1992. Westminster has its main campus in Regent Street in central London, with additional campuses in Fitzrovia, Marylebone and Harrow. It also operates the Westminster International University in Tashkent in Uzbekistan. The university is organised into three colleges and twelve schools, within which there are around 65 departments and centres, including the Communication and Media 
Title: Westminster, Colorado
Content:  The City of Westminster is a home rule municipality located in Adams and Jefferson counties, Colorado, United States. The city population was 116,317 at the 2020 United States Census with 71,240 residing in Adams County and 45,077 residing in Jefferson County. Westminster is eighth most populous city in Colorado. The city is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor. The Westminster Municipal Center is located 9 mi north-northwest of the Colorado State Capitol in Denver.
Title: Cities of London and Westminster (UK Parliament constituency)
Content:  The Cities of London and Westminster seat contains the two historical centres of the capital. The City of London is an international financial centre - while Westminster, home to the Houses of Parliament, Whitehall and Downing Street, represents Britain's political centre. The seat includes iconic landmarks such as Buckingham Palace and St Paul's Cathedral, the West End's Theatreland and Soho. Some of the country's wealthiest residents live in exclusive Mayfair, Belgravia and Knightsbridge. Less than half the population was born in the UK - a fifth hail from elsewhere in Europe, while one in twenty is American, according to the 2011 Census. Around half of 
Title: Westminster, Maryland
Content:  Westminster is a city in northern Maryland, United States. A suburb of Baltimore, it is the seat of Carroll County. The city's population was 18,590 at the 2010 census. Westminster is an outlying community within the Baltimore-Towson, MD MSA, which is part of a greater Washington-Baltimore-Northern Virginia, DC-MD-VA-WV CSA.

Question: What is Westminster the capital of?
Answer: Kingdom of England.
England.