Manchester is a former independent city in Virginia in the United States. Prior to receiving independent status, it served as the county seat of Chesterfield County, between 1870 and 1876. Today, it is a part of the city of Richmond, Virginia. Originally known as Manastoh and later Rocky Ridge, it was located on the south bank of the James River at the fall line opposite the state capital city of Richmond, on the north side of the river.