Brunswick is a city in and the county seat of Glynn County in the U.S. state of Georgia. As the primary urban and economic center of the lower southeast portion of Georgia, it is the second-largest urban area on the Georgia coastline after Savannah and contains the Brunswick Old Town Historic District. At the 2020 U.S. census, the population of the city proper was 15,210; the Brunswick metropolitan area's population as of 2020 was 113,495.