Cadena SER (Sociedad Española de Radiodifusión) is Spain’s leading and most listened-to radio network. Founded in 1924, it offers nationwide coverage with a strong focus on news, current affairs, sports, and talk shows. Known for flagship programs like Hoy por Hoy and Carrusel Deportivo, SER has a reputation for high-quality journalism and in-depth political analysis, making it a key reference point in Spanish media.