The Flint River is a 344-mile-long (554 km) river in the U.S. state of Georgia. The river drains 8,460 square miles (21,900 km2) of western Georgia, flowing south from the upper Piedmont region south of Atlanta to the wetlands of the Gulf Coastal Plain in the southwestern corner of the state. Along with the Apalachicola and the Chattahoochee rivers, it forms part of the ACF basin. In its upper course through the red hills of the Piedmont, it is considered especially scenic, flowing unimpeded for over 200 miles (320 km). Historically, it was also called the Thronateeska River.

Georgia is a state in the Southeastern region of the United States. It borders Tennessee to the northwest, North Carolina to the north, South Carolina to the northeast, Florida to the south, and Alabama to the west. Of the 50 United States, Georgia is the 24th-largest by area and 8th most populous. According to the U.S. Census Bureau, its 2023 estimated population was 11,029,227. Atlanta, a global city, is both the state's capital and its largest city. The Atlanta metropolitan area, with a population of more than 6.3 million people in 2023, is the 6th most populous metropolitan area in the United States and contains about 57% of Georgia's entire population. Other major metropolitan areas in the state include Augusta, Savannah, Columbus, and Macon. Georgia has 100 miles (160 km) of coastline along the Atlantic Ocean.