The State of Florida is located in the southeastern region of the United States of America. Most of the state is a large peninsula with the Gulf of Mexico on its west and the Atlantic Ocean on its east. Most of the state has a humid subtropical climate, except for southern Florida, where the climate borders on tropical and the Florida Keys, which have a tropical climate. Florida was named by Juan Ponce de León, who landed on the peninsula on 2 April 1513, during Pascua Florida (Spanish for "Flowery Easter," referring to the Easter season). Florida's economy relies heavily on tourism.