Praia da Luz, officially Luz, is a civil parish of the municipality of Lagos, in Algarve region, Portugal. The population of the civil parish in 2011 was 3,545, in an area of 21.78 km². Also known as Santorini de Portugal, Luz de Lagos or Vila da Luz, "Praia da Luz" is used to refer to both the urbanized village and the beach. The parish had its origins in a small fishing village, but was transformed by several holiday-villa complexes into a tourist area.