Hanover is a census-designated place in and the county seat of Hanover County, Virginia, United States. Hanover Courthouse is located at the junction of U.S. Route 301 and State Route 54 south of the Pamunkey River. While historically known as Hanover Courthouse, the United States Geological Survey, Census Bureau, United States Postal Service and residents refer to it as Hanover. The population as of the 2010 Census was 252.Its most notable structure is the Hanover County Courthouse, designated a National Historic Landmark. The attorney Patrick Henry practiced law here and argued the Parson's Cause. It is within the Hanover County Courthouse Historic District, which includes the Hanover Tavern. Rebuilt in 1791 on the site of a Revolutionary-era tavern, the tavern was adapted in 1953 as the Barksdale Theatre, Central Virginia's leading professional theatre, and the nation's first dinner theatre. Barksdale was Virginia’s first performing arts organization to seat integrated audiences.