An industrial city and river port in northern Kentucky, on the Ohio River just south of the border with Indiana; since a 2003 merger, it is part of Louisville–Jefferson County; consolidated population 713,877 (est. 2008). It is the site of the annual Kentucky Derby.
Definition of Louisville in US English:
Louisville
proper nounˈlo͞oēˌvil
An industrial city and river port in northern Kentucky, on the Ohio River just south of the border with Indiana; since a 2003 merger, it is part of Louisville–Jefferson County; consolidated population 713,877 (est. 2008). It is the site of the annual Kentucky Derby.