San Fernando is a city located in the province of Cádiz, in the autonomous community of Andalusia, southern Spain. It is situated on the island of León, which is connected to the mainland by bridges. The city has a rich history, with roots dating back to the Roman era, and is known for its beautiful beaches and warm climate. The economy of San Fernando is primarily based on tourism, fishing, and naval activities, given its proximity to the Bay of Cádiz. The city is also home to several historical sites, including the Church of San Francisco and the Royal Naval School, which reflect its maritime heritage.