The tournament was attended by 226 teams from the main categories of Spanish football.
The tournament began on 11 September 1979 and ended on 4 June 1980 with the final, held in Santiago Bernabéu Stadium in Madrid.
The revelation of the tournament Castilla CF, became the third team from the second division to reach the final.
The defending champions, Valencia CF, were defeated 3–2 (on aggregate score) by Sporting de Gijón in the round of 16.
Bye: Atlético de Madrid, FC Barcelona, Real Madrid CF, Real Sociedad, Sporting de Gijón, Valencia CF.