Atlanta () is the capital of, and the most populous city in, the U.S. state of Georgia. With an estimated 2017 population of 486,290, it is also the 39th most-populous city in the United States. The city serves as the cultural and economic center of the Atlanta metropolitan area, home to 5.8 million people and the ninth-largest metropolitan area in the nation. Atlanta is the seat of Fulton County, the most populous county in Georgia. A small portion of the city extends eastward into neighboring DeKalb County. Atlanta was originally founded as the terminating stop of a major state-sponsored railroad...