Russell County is a county in the southeastern part of the U.S. state of Alabama. As of the 2020 census, the population was 59,183. Its county seat is Phenix City. Its name is in honor of Colonel Gilbert C. Russell, who fought in the wars against the Creek Indians.

Chattahoochee County, also known as Cusseta-Chattahoochee County, is a county located on the western border in central Georgia. As of the 2020 census, the population was 9,565. The county seat is Cusseta, with which the county shares a consolidated city-county government. The city of Cusseta remains a geographically distinct municipality within Chattahoochee County. The county was created on February 13, 1854.