HuelvaHuelva is the name of a city and a province in southwestern Spain, in the autonomous region of Andalusia. The province borders on Portugal to the west, the autonomous region of Extremadura to the north, and the provinces of Seville to the east and Cadiz to the south. It is located on the coast of the Atlantic Ocean. The economy is based on agriculture and mining. The province contains Palos de la Frontera, where Christopher Columbus sailed out of on his first voyage in 1492, and parts of the Doņana national park.