<Tr> <Th> GNIS feature ID </Th> <Td> 0308101 </Td> </Tr> <Tr> <Th> Website </Th> <Td> City of St. Augustine </Td> </Tr> <P> St. Augustine (Spanish: San Agustín) is a city in the Southeastern United States, on the Atlantic coast of northeastern Florida . Founded in 1565 by Spanish explorers, it is the oldest continuously inhabited European - established settlement within the borders of the continental United States . </P> <P> The county seat of St. Johns County, St. Augustine is part of Florida's First Coast region and the Jacksonville metropolitan area . According to the 2010 census, the city's population was 12,975 . The United States Census Bureau's 2013 estimate of the city's population was 13,679, while the urban area had a population of 71,379 in 2012 . </P>

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