Brunswick, the county seat of Glynn County, was incorporated December 3, 1812. Brunswick was founded in 1771 and received its name from the King of England, George III of the House of Brunswick. Many of the street and square names reflect English heritage – Gloucester, Halifax, London, Newcastle and Prince.

Downtown Brunswick is part of the Old Town National Historic District. The heart of the downtown district is historic Newcastle Street lined with Victorian buildings, shops, art galleries and restaurants.