The state of Florida is located in the southeastern region of the United States. In 1845 it was the 27th state admitted to the United States. Much of the land mass of the state is a large peninsula with the Gulf of Mexico to the west, and the Atlantic Ocean to the east. With an area of 170,306 km 2 , it is ranked 22nd in size among the 50 U.S. states. Florida has the most coastline in the Contiguous United States encompassing approximately 1,200 miles. The state has four large urban areas, a number of smaller industrial cities, and many small towns. Florida is nicknamed the "Sunshine State" because of its generally warm climate—subtropical in the northern and central regions of the state, with a true tropical climate in the southern portion. With population 18,537,969 in 2009, Florida is ranking as the fourth most populous state in the U.S. Tallahassee is the state capital, Jacksonville is the largest city, and the Miami metropolitan area is the largest metropol...