The Beach of La Concha is a crescent shaped urban seaboard of the city of San Sebastián located at the Bay of La Concha in the Basque Country, in northern Spain. Its name “Concha” is given upon its remarkably regular shape. The scenic setting in the Bay of La Concha and the 19th century elegance of fashionable seaside resorts have made the site very pop…The Beach of La Concha is a crescent shaped urban seaboard of the city of San Sebastián located at the Bay of La Concha in the Basque Country, in northern Spain. Its name “Concha” is given upon its remarkably regular shape. The scenic setting in the Bay of La Concha and the 19th century elegance of fashionable seaside resorts have made the site very popular, as it is frequently cited as one of the most beautiful and the most famous urban beaches in Europe.