Smyrna is a city in Cobb County, Georgia, United States. It is located northwest of Atlanta, and is in the inner ring of the Atlanta Metropolitan Area. As of the 2010 census, the city had a population of 51,271. The U.S. Census Bureau estimated the population in 2018 to be 56,706. It is included in the Atlanta-Sandy Springs–Roswell MSA, which is included in the Atlanta–Athens–Clarke–Sandy Springs CSA. Smyrna grew by 28% between the years 2000 and 2012. It is historically one of the fastest growing cities in the State of Georgia, and one of the most densely populated cities in the metro area.
Pioneers began settling the area in 1832. By the late 1830s, a religious encampment called Smyrna Camp Ground had become a popular travel destination and was well known throughout Georgia. It is a Greek name for the Biblical city of Smyrna, modern day Izmir in Turkey, the home of the Christian martyr Polycarp. After the completion of the Western and Atlantic Railroad in 1842, the area began to grow. It was known by several names until 1872—Varner's Station, Ruff's Siding, Neal Dow, and Ruff's Station.