Radiotelevisão Portuguesa (RTP) held the Grande Prémio TV da Canção Portuguesa 1966 on 15 January 1966 at 22:00 UTC at Tóbis studios in Lisbon, hosted by Maria Fernanda and Henrique Mendes.

[1] The winning song was chosen by a distrital jury, composed by three members, each had 5 votes to be distributed among the songs it intended to award, making a total of 15 votes per district.

[2] On the night of the final Iglésias performed 8th in the running order, following Finland and preceding Austria.

At the close of the voting the song had received 6 points, coming 13th in the field of 18 competing countries.

[3] The orchestra during the Portuguese entry was conducted by Jorge Costa Pinto.