City (pop., 2000: 131,510), southeastern Georgia, U.S. Located at the mouth of the Savannah River, it is the oldest city in Georgia and its principal seaport. It was established in 1733 by James Oglethorpe and was the birthplace of the Georgia colony, the seat of the colonial government, and capital of the state until 1786. A major Confederate supply port during the American Civil War, the city was the objective of Union Gen. William T. Sherman's march to the sea in 1864. Noted for its beautiful historic buildings built around a system of small parks, it is a leading tourist centre. It is the site of several institutions of higher learning.