Marietta City Hall

Official Facebook Place of Marietta City Government's City Hall Marietta is 15 miles northwest of Atlanta and the Cobb County seat.

The city of Marietta, Ga., is a full-service municipality distinguished by its unique history, sense of community and modern quality of life. At 23 square miles, Marietta is one of Georgia's most populous cities, with 56,579 residents calling the city home.