Spain participated in the Eurovision Song Contest 2021 in Rotterdam, the Netherlands, having internally selected Blas Cantó as their representative. He was due to compete in the 2020 contest with "Universo" before the event's cancellation. Their competing entry, "Voy a quedarme", was chosen during the national selection competition "Destino Eurovisión 2021" organised by the Spanish broadcaster Televisión Española (TVE).