Las Palmas (officially Las Palmas de Gran Canaria), is a city and port in the Canary Islands, north-eastern Grand Canary Island, capital of Las Palmas Province, Spain. The port of Las Palmas is a major supply and fuelling station for transatlantic vessels. Its chief industries are tourism, fishing, and fish processing; the principal exports are foodstuffs and tobacco. Las Palmas, founded in 1478, contains a cathedral begun in the same year and a house visited by Christopher Columbus in 1492. Population (1991 est.) 342,030.