There was a combined nearly $2 billion of land for sale in Georgia's Fulton County recently on Land.com. The total of all Fulton County farms and rural real estate for sale was around 100,000 acres. Based on the combined acreage of land and rural property for sale here, Fulton County has the most land for sale of the 159 counties in the Peach State. Of all farms, hunting land and other rural land and acreage for sale in Fulton County, Atlanta featured the most land for sale. Fulton County is the 21st largest county (534 square miles) in Georgia. It's located in the Metro Atlanta Georgia region of the state.