Jacksonville is a major seaport city and the seat of Duval County, Florida, United States. With an estimated 913,010 residents as of 2017, Jacksonville is the most populous city in both the state of Florida and the southeastern United States. It is estimated to be the 12th most populous city in the United States and is the largest city by area in the contiguous United States. The Jacksonville metropolitan area has a population of 1,626,611 and is the 34th largest in the United States and fourth largest in the state of Florida. The city is situated on the banks of the St. Johns River, in the First Coast region of North Florida, about 25 miles (40km) south of the Georgia state line and 340 miles (550km) north of Miami.
Prior to European settlement, the Jacksonville area was inhabited by Native American people known as the Timucua. In 1564, the French established the short-lived colony of Fort Caroline at the mouth of the St. Johns River, becoming one of the earliest European settlements in the continental United States. In 1822, a year after the United States gained Florida from Spain, the town of Jacksonville was platted along the St. Johns River. Established at a narrow point in the river known as Wacca Pilatka to the Seminole and the Cow Ford to the British, the enduring name derives from the first military governor of the Florida Territory and seventh President of the United States, Andrew Jackson.
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