San Sebastián is a resort town on the Bay of Biscay in Spain’s mountainous Basque Country. It’s known for Playa de la Concha and Playa de Ondarreta, beaches framed by a picturesque bayfront promenade, and world-renowned restaurants helmed by innovative chefs. In its cobblestoned old town (Parte Vieja), upscale shops neighbor vibrant pintxo bars pairing local wines with bite-size regional specialties.