Atlanta is the capital and most populous city in the U.S. state of Georgia. It is the seat of Fulton County, and a portion of the city extends into neighboring DeKalb County. With a population of 498,715 living within the city limits, Atlanta is the eighth most populous city in the Southeast and 38th most populous city in the United States according to the 2020 U.S. census. It is the core of the much larger Atlanta metropolitan area, which is home to more than 6.3 million people, making it the sixth-largest U.S. metropolitan area. Situated among the foothills of the Appalachian Mountains at an elevation of just over 1,000 feet (300 m) above sea level, Atlanta features unique topography that includes rolling hills, lush greenery, and the densest urban tree coverage of any major city in the United States.

Georgia is a state in the Southeastern region of the United States. The state 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.