Chiclana de la Frontera is a town and municipality in southwestern Spain, in the province of Cádiz, Andalucía, near the Gulf of Cádiz. It belongs to the association of municipalities of the Bay of Cádiz, the provincial capital of Cádiz, Jerez de la Frontera, San Fernando, El Puerto de Santa María, Puerto Real and Rota which form the third largest metropolitan area in Andalusia, behind Seville and Málaga, and the twelfth largest in Spain. It is located 20 kilometres south-east from Cádiz, and borders the municipalities of San Fernando and Puerto Real to the north and Conil de la Frontera to the south. In 1877, the municipality's population was 11,677; in 2012, it was 81,473. It has a surface area is 203 square kilometres (78 sq mi) and a population density of 401 inhabitants / km2. The average elevation is 11 metres (36 ft) above sea level. The economy depends largely upon modern industry, especially salt processing and tourism, and the municipality is known for its beaches such as the 6 kilometres (3.7 mi) long Playa de la Barrosa, hotels and golf courses in the resort of Novo Sancti Petri. The municipality contains the largest number of hotel beds in the Province of Cádiz and the Costa de la Luz. The town's newspaper, Chiclana Información, is distributed on Saturday mornings.

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.