Dayton is a city in southwestern
Ohio,
United States. It is the county seat and largest city of
Montgomery County. As of the 2005 census estimate, the population of Dayton was 158,873. The Dayton metropolitan area, or Greater Dayton, which includes the communities of
Vandalia,
Trotwood,
Kettering,
Piqua,
Tipp City,
Centerville,
Beavercreek,
Fairborn,
West Carrollton,
Huber Heights,
Troy,
Riverside, and
Miamisburg, had a population of 843,577 as of the 2005 estimate. Dayton is situated within the
Miami Valley region of Ohio, just north of the
Cincinnati metropolitan area.
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