Much of Galveston's modern economy is centered in the tourism, health care, shipping and financial industries. The 84-acre (340,000 Square meters) University of Texas Medical Branch campus with an enrollment of more than 2,500 students is a major economic force of the city. Named after Bernardo de Galvez y Madrid, Count of Galvez, Galveston's first European settlements on the island were constructed around 1816. The Port of Galveston was established in 1825 by the Congress of Mexico following its successful revolution from Spain. The city served as the main port for the Texas Navy during the Texas Revolution and later served as the capital of the Republic of Texas. Galveston is a coastal city located on Galveston Island in the U.S. state of Texas. As of the 2010 U.S. Census, the city had a total population of 47,743 within an area of 208 square miles (540Square kilometers).