Silves is a city and municipality in the Portuguese region of Algarve, in southern Portugal. The population of the entire municipality of Silves in 2011 was 37,126, in an area of 680.06 km2. The urbanized area of the city proper has approximately 11,000 inhabitants. Silves is the former capital of the Kingdom of the Algarve (1249–1910), a nominal kingdom within the Kingdom of Portugal (1139–1910), and is of great historical importance.

Portugal, officially the Portuguese Republic, is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, its mainland west and south border with the North Atlantic Ocean and in the north and east, the Portugal-Spain border constitutes the longest uninterrupted border-line in the European Union. Its archipelagos form two autonomous regions with their own regional governments. In the mainland, Alentejo region occupies the biggest area but is one of the regions in Europe with a lower population density. Lisbon is the capital and largest city by population, being also the main spot for tourists alongside Porto and Algarve.