Aquia is an unincorporated community in Stafford County, in the U.S. state of Virginia. It is named for Aquia Creek, which leads to the Potomac River. Nearby historic locations include Aquia Church and the remains of Aquia quarry. Cliffs of the local Aquia Creek sandstone had been visible from the Potomac River near its confluence with Aquia Creek during colonial times. It was quarried to construct many buildings nearby, as well as in Washington, D.C., including the White House, National Capitol Columns and Washington Monument. It was a stop on the Richmond, Fredericksburg and Potomac Railroad which was replaced by, CSXT.