St. Augustine is a city in northeastern Florida, United States. It was founded in 1565 by Spanish explorers and is the oldest continuously inhabited European-established settlement in the continental United States. The city played a major role in the Spanish colonization of the Americas and in the subsequent history of the United States.

St. Augustine's historic district, with its cobblestone streets, historic buildings, and Spanish colonial architecture, draws millions of visitors each year. Some of the city's notable landmarks include the Castillo de San Marcos, a 17th-century fort that served as a military outpost for the Spanish Empire, and the Lightner Museum, a former hotel that now houses a collection of art and antiques.

Other popular attractions in St. Augustine include the St. Augustine Lighthouse, the Fountain of Youth Archaeological Park, and the St. Augustine Alligator Farm Zoological Park. The city is also home to numerous shops, galleries, and restaurants, as well as several festivals and events throughout the year, such as the St. Augustine Celtic Festival and the Nights of Lights holiday celebration.

St. Augustine's location on the coast of Florida also makes it a popular destination for beachgoers, with several nearby beaches offering a range of recreational activities such as swimming, fishing, and surfing.