<Tr> <Th> Metro </Th> <Td> 5,700,000 (16th) </Td> </Tr> <Tr> <Th> Time zone </Th> <Td> EST (UTC − 5) </Td> </Tr> <P> The Detroit--Windsor region is an international transborder agglomeration comprising the American city of Detroit, Michigan, the Canadian city of Windsor, Ontario, and the Detroit River between them . The Detroit--Windsor area acts as a critical commercial link straddling the Canada--United States border and has a total population of about 5,700,000 . It is North America's largest cross-border conurbation . </P> <P> The Detroit--Windsor area covers the southeastern Michigan counties of St. Clair, Macomb, Lapeer, Genesee, Livingston, Oakland, Washtenaw, Monroe and Wayne; as well as the Southern Ontario City of Windsor and counties of Essex, Lambton, and Kent . </P>

Which part of canada is closest to detroit