San Fernando is a town in the province of Cádiz, Spain. It is home to more than 97,500 inhabitants. The city also uses the name "La Isla". The people from San Fernando are locally known as "Cañaíllas" or "Isleños".

Cádiz is a province of southern Spain, in the southwestern part of the autonomous community of Andalusia. It is the southernmost part of mainland Spain, as well as the southernmost part of continental Europe.