It is the capital and also the largest city and port of the island and the entire Caribbean. It is situated on the Gulf of Mexico. Havana is an old city, founded in 1515 by the Spanish conquistador Diego Velazquez de Cuellar, first on the southern coast of the island and moved to its present location in 1519 (some sources give 1519 as the date of the city's founding). It is the most important industrial center of the country, with tobacco, petrochemical, textile and electromechanical industries. It is a hub for land, sea and air transport - it has the Jose Marti International Airport.