There's more than one place called Hudson:

Canada

• Hudson (Quebec) - a town in Quebec

also:

• Hudson's Hope - in British Columbia

United States of America

• Hudson (Colorado) - a town in Colorado
• Hudson (Florida) - a town in Florida
• Hudson (Illinois) - a town in Illinois
• Hudson (Indiana) - a town in Indiana
• Hudson (Iowa) - a town in Iowa
• Hudson (Kansas) - a town in Kansas
• Hudson (Maine) - a town in Maine
• Hudson (Massachusetts) - a town in Middlesex County, Central Massachusetts
• Hudson (Michigan) - a town in Michigan
• Hudson (New Hampshire) - a town in New Hampshire
• Hudson (New York) - a city in New York (state) - a popular weekend destination from NYC, full of art galleries and restaurants.
• Hudson (North Carolina) - a town in North Carolina
• Hudson (Ohio) - a town in Ohio
• Hudson (Texas) - a town in Texas
• Hudson (Wisconsin) - a town in Wisconsin
• Hudson (Wyoming) - a town in Wyoming

see also:

• Hudson County - in Gateway (New Jersey), New Jersey
• Hudson Falls - a town in Washington County, New York (state)
• Hudson Valley - a region in New York (state)
• Hudsonville - a town in Ottawa County, Michigan
• New Hudson - a town in Allegany County, New York (state)
• North Hudson (New York) - a town in Essex County, New York (state)
• North Hudson (Wisconsin) - a town in St. Croix County, Wisconsin
• Port Hudson - a small town in Louisiana