Columbus is a consolidated city-county located on the west-central border of the U.S. state of Georgia. Columbus lies on the Chattahoochee River directly across from Phenix City, Alabama. It is the county seat of Muscogee County, with which it officially merged in 1970; the original merger excluded Bibb City, which joined in 2000 after dissolving its own city charter.

Opelika is a city in and the county seat of Lee County in the east-central part of the U.S. state of Alabama. It is a principal city of the Auburn-Opelika Metropolitan Area. As of the 2020 census, the population of Opelika is 30,995, an increase of 17.1 percent from the 2010 Census where the population was 26,477. The Auburn-Opelika, AL MSA with a population of 150,933, along with the Columbus, Georgia metropolitan area, comprises the Greater Columbus combined statistical area, a region home to 501,649 residents.