Florida is a state located in the southeastern region of the United States, bordering Alabama to the northwest and Georgia to the northeast. Much of the land mass of the state is a large peninsula with the Gulf of Mexico to the west and south, and the Atlantic Ocean to the east. Most of Florida has a humid subtropical climate; southern Florida has a tropical climate. Florida was named by Juan Ponce de León, who landed on the peninsula on April 2, 1513. Florida is the fourth most populous state in the U.S.