 Today the Downtown core is noted as the center of business for the Roanoke Valley and Southwest Virginia, the Roanoke City Market, the Roanoke Downtown Historic District and many other attractions and amenities.Geographically, downtown Roanoke is defined by the city as the area bound by Interstate 581 on the east, 5th Street to the west, the Norfolk and Western railroad tracks to the north and Day Avenue to the south.This area is the location of the central core and the historic Market District.