State Route 372 begins with its intersection with SR 140 in the western part of Alpharetta, Georgia

Alpharetta, Georgia

-Demographics:As of the census of 2000, there were 34,854 people, 13,911 households, and 8,916 families residing in the city. The population density was 1,631.6 people per square mile . There were 14,670 housing units at an average density of 686.7 per square mile...

 and travels to the north, through unincorporated

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

, but rapidly growing, areas of Fulton

Fulton County, Georgia

Fulton County is a county located in the U.S. state of Georgia. Its county seat is Atlanta, the state capital since 1868 and the principal county of the Atlanta metropolitan area...

 and Cherokee

Cherokee County, Georgia

As of the census of 2000, there were 141,903 people, 49,495 households, and 39,200 families residing in the county. The population density was 335 people per square mile . There were 51,937 housing units at an average density of 123 per square mile...

 counties.

After intersecting with SR 20 and SR 369 in Free Home

Free Home, Georgia

Free Home is an unincorporated community in the eastern part of Cherokee County, Georgia, United States. Centered at the intersection of state highways 20 and 372, the rural community has seen moderate suburbanization of the area since the late 1990's. It is home to Free Home Elementary School.The...

, the route turns more towards the northwest, crossing the Etowah River, then entering Ball Ground

Ball Ground, Georgia

Ball Ground is a city in Cherokee County, Georgia, United States. The population was 1433 at the 2010 census.Ball Ground is at the northernmost end of Georgia Interstate 575, north of Canton at exit 20 on I-575, and ending seven miles north at exit 27...

. In Ball Ground, the route begins a concurrency with SR 5 Business. In Nelson

Nelson, Georgia

Nelson is a city partly in Pickens and mostly in Cherokee counties in the U.S. state of Georgia. As of the 2000 census, the city had a total population of 1314.City of Nelson - Pickens County...

, the two routes utilize a short expressway stub before the routes end at SR 5 and SR 515.