Cádiz is a province of southern Spain, in the southwestern part of the autonomous community of Andalusia, the southernmost part of continental Western Europe.
It is bordered by the Spanish provinces of Huelva, Seville, and Málaga, as well as the Atlantic Ocean, the Mediterranean Sea, the Strait of Gibraltar and the British overseas territory of Gibraltar. Its area is 7,442 square kilometers.
Its capital is the city of Cádiz, which has a population of more than 128,000. The largest city is Jerez de la Frontera with 208,896 inhabitants (as of 2010), and another important city is Algeciras with just over 114,000 inhabitants. The entire province had a population of 1,194,062 (as of 2006), of whom about 600,000 live in the Bay of Cádiz area. Its population density is 160.45 per square kilometer.