Union City is a suburban city in south Fulton County, Georgia, part of the Atlanta metropolitan area. It sits just southwest of Atlanta and near Hartsfield-Jackson Atlanta International Airport, giving it a strategic location along major transportation corridors. Although smaller and less internationally known than Atlanta itself, Union City plays an important role as a residential, logistics, and commercial community within one of the fastest-growing metro regions in the southeastern United States.
The city is known for its accessibility, diverse population, and proximity to Interstate 85. It has developed as both a commuter city and a place with its own civic identity, public facilities, schools, and local business base. Union City is also closely connected to nearby communities such as College Park, Fairburn, East Point, and South Fulton.
For residents, Union City matters because it combines suburban living with metropolitan access. For visitors and businesses, its location near the airport, industrial corridors, and regional distribution networks makes it practical and economically significant. The city reflects many of the broader demographic and economic changes that have shaped metro Atlanta in the late 20th and early 21st centuries.