Palma is the major city and port on the island of Mallorca and capital city of the autonomous community of the Balearic Islands in Spain. It is situated on the south coast of the island on the Bay of Palma. As of the 2005 census, the population of the city of Palma proper was 375,048, and the population of the entire urban area was estimated to be 517,285, ranking as the 12th-largest urban area of Spain. Almost half of the total population of Mallorca live in Palma. The archipelago of Cabrera, though widely separated from Palma proper, is administratively considered part of the municipality. Its airport, Son Sant Joan, serves over 22 million passengers each year. The Marivent Palace was offered by the city to the then Prince Juan Carlos I of Spain. The royals have since spent their summer holidays in Palma.