The Detroit-Windsor region is an international urban area centered around the United States city of Detroit, Michigan, and the Canadian city of Windsor, Ontario. It is the world's largest international metropolitan area. The Detroit-Windsor area covers the United States counties of Lapeer, Livingston, Macomb, Oakland, St. Clair, Wayne, Genesee, Washtenaw and Monroe in Michigan and the Canadian regions of Chatham-Kent, Essex and Lambton counties in Ontario. The region is sometimes defined to also… (More on Windsor-detroit)