Brunswick is a city in and the county seat of Glynn County, Georgia, United States. As the major urban and economic center of the state's lower southeast, it is the second-largest urban area on the Georgia coast after Savannah and contains the Brunswick Old Town Historic District.British colonists settled the peninsula in 1738 as a buffer to Spanish Florida. It came under provincial control in 1771 and was founded as "Brunswick" after the German duchy of Brunswick?Lneburg, the ancestral home of the House of Hanover. It was incorporated as a city in 1856. Throughout its history, Brunswick has served as an important port city: in World War II, it served as a strategic military location with an operational base for escort blimps and a shipbuilding facility for the U.S. Maritime Commission.Brunswick supports a progressive economy largely based on tourism and logistics, with a metropolitan GDP of $3.9 billion. The Port of Brunswick handles approximately 10 percent of all U.S.