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There is more than one place called '''Williamstown''':
Williamtown (New South Wales) -- A town in New South Wales, Australia.
Williamstown (South Australia) -- A town in South Australia.
Williamstown (Victoria) -- A suburb of Melbourne in Australia.
Williamstown (Ontario) -- A town in Ontario province.
Williamstown (Galway) -- A town in Galway in Ireland.
Williamstown (Kentucky) -- A town which is the county seat of Grant County, Kentucky.
Williamstown (Massachusetts) -- A town in Berkshire Hills of Massachusetts.
Williamstown (New Jersey) -- A place in Monroe Township in New Jersey.
Williamstown (New York) -- A town in Oswego County, New York (state).
Williamstown (Pennsylvania) -- A borough in Dauphin County in Pennsylvania.
Williamstown (Vermont) -- A town in Orange County, Vermont.
Williamstown (West Virginia) -- A town in Wood County, West Virginia on the Ohio River.
Williamstown (Wisconsin) -- A town in Dodge County, Wisconsin.
Williamstown Township (Michigan) -- A township in Ingham County, Michigan.