San Roque, Cádiz in the context of "Capture of Gibraltar"

The Bay of Gibraltar, also known as Bay of Algeciras, is a bay at the southern end of the Iberian Peninsula. It is around 10 km (6.2 mi) long by 8 km (5.0 mi) wide, covering an area of some 75 km (29 sq mi), with a depth of up to 400 m (1,300 ft) in the centre of the bay. It opens to the south into the Strait of Gibraltar and the Mediterranean Sea.

The shoreline is densely settled. From west to east, the shore is divided between the Spanish municipalities of Algeciras, Los Barrios, San Roque, La Línea de la Concepción and the British Overseas Territory of Gibraltar. The larger part of the shoreline is Spanish territory, with part of the eastern half of the bay belonging to Gibraltar.

Campo de Gibraltar (Spanish pronunciation: [ˈkampo ðe xiβɾalˈtaɾ]) is one of the six comarcas (county) in the province of Cádiz, Spain, in the southwestern part of the autonomous community of Andalusia, the southernmost part of mainland Europe. It comprises the municipalities of Algeciras, La Línea de la Concepción, San Roque, Los Barrios, Castellar de la Frontera, Jimena de la Frontera, San Martín del Tesorillo and Tarifa. This comarca was established in 2003 by the Government of Andalusia.

Its name comes from the municipal territory of the town of Gibraltar, now a British Overseas Territory. Until 1704, the Campo de Gibraltar was simply the territory for the municipality of Gibraltar, about 500 km (190 sq mi) corresponding approximately to the current municipalities of Algeciras, San Roque, Los Barrios and La Línea de la Concepción. Following the capture of Gibraltar during the War of the Spanish Succession, the former inhabitants settled nearby creating Algeciras, San Roque, and Los Barrios. In 1759, each of them was established as a different municipality.

The Guadiaro is a river in the Spanish provinces of Cádiz and Málaga in the autonomous community of Andalusia, Spain. It flows southward from the Sierra Bermeja through the Sierra de Grazalema and discharges into the Mediterranean at Sotogrande. The river is notable for having some of the only marshland on the Costa del Sol. This marsh is protected by a 27 hectares (67 acres) nature preserve. There are several towns and communities near its mouth, Pueblonuevo de Guadiaro, Guadiaro, Torreguadiaro, Sotogrande, San Enrique, and Venta Nueva, all located within the San Roque municipality.

The Port of Algeciras is the port and harbour of Algeciras, a city located in the province of Cádiz in the autonomous community of Andalusia, Spain. It is a commercial, fishing and passenger port. Primarily a transshipment port, its position near the Strait of Gibraltar and key east–west shipping routes establishes it as one of the busiest transshipment hubs in the world. It competes with Tanger-Med for the local transshipment market. It consists of numerous maritime infrastructures scattered throughout the Bay of Gibraltar. Although only the town of Algeciras and La Línea de la Concepción overlook the bay, there are port facilities in the rest of the bank, also belonging to the municipalities of San Roque and Los Barrios. It is managed along the port of Tarifa by the Port Authority of Algeciras Bay.