El Puerto de Santa María, locally known as El Puerto and historically in English as Port Saint Mary, is a municipality of Spain located on the banks of the Guadalete River in the province of Cádiz, Andalusia. As of 2016, the city has a population of c. 88,184, of which some 50,000 live in the urban center, and the remainder in the surrounding areas.

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.