Garden City is a city in Chatham County, Georgia, United States. It lies along the Savannah River just northwest of Savannah. As of the 2010 census, the city had a population of 8,778. Parts industrial and residential, the city is home to much of the heavy industry in Chatham County and also hosts the Port of Savannah, the flagship operation of the Georgia Ports Authority. Garden City is part of the Savannah Metropolitan Statistical Area.