- a central borough (officially a city) of Greater London, England: Westminster Abbey, Houses of Parliament, Buckingham Palace.
- a city in SW California.
- a city in NE Colorado.
- a borough of Greater London, on the River Thames: contains the Houses of Parliament, Westminster Abbey, and Buckingham Palace. Pop: 222 000 (2003 est). Area: 22 sq km (8 sq miles)
- the Houses of Parliament at Westminster
