During the celebrations, which saw the city turned into a sea of red and yellow, several players grabbed the microphone to sing, with captain Alvaro Morata belting out "Gibraltar es espanol" -- "Gibraltar is Spanish" -- in a chant also picked up by Rodri, who plays for English club Manchester City.
Spain midfielder Rodri and 17-year-old Lamine Yamal were among six Spain players named in UEFA's team of the tournament for Euro 2024 on Tuesday.
Gareth Southgate leaves his job as the second most successful England manager in history but with a string of agonising near-misses to his name.
"My family has fought for this moment. This is for all of them, everyone who believed in me from the very beginning," said Williams.
After receptions with King Felipe VI and prime minister Pedro Sanchez, La Roja were paraded through the capital city on an open-top bus.
Switzerland's Xherdan Shaqiri announced his retirement from international football on Monday after winning 125 caps with the Swiss national team.
Spain coach Luis de la Fuente thanked his players for delivering a record fourth European Championship on Sunday, saying they always believed in him, while others didn't.
Substitute Mikel Oyarzabal became the 10th Spain player to score at Euro 2024 when he set up and finished in the 86th minute to secure a 2-1 win over England and a record fourth title. It was their 15th goal, the most by any team at a Euros.
In the latest episode of The Daily Star’s podcast Pitch Perfect, we bring you an in-depth discussion about the key battles that may shift the balance in the grand finale of the tournament.
The Times went with the matter-of-fact: "England's hope ends in Euros heartbreak" over a picture of a grief-stricken Jude Bellingham, The Daily Mirror wrote: "SHATTERED" under a photo of captain Harry Kane consoling Bellingham
Yamal started for Spain in the final a day after celebrating his 17th birthday and became the youngest player ever to play in a major international final, breaking a record Pele had set way back in the 1958 World Cup final.
Spain deserved to win Sunday's showpiece match - England coming alive only after falling behind - but the jury remains out on Southgate.
"It's hard to put into words how we're all feeling right now... We did well to get back into the game and struggled to build on that," added Kane.
Yamal, 17, and Williams, 22 -- both celebrating birthdays in the days ahead of the final -- have given Spain an exciting cutting edge in attack they have lacked for much of the last decade, pulling the team to a record fourth European Championship triumph.
"Right now, we don't realise what we've done. We'll return to Spain tomorrow and will be able to live this thing with the fans and return love and the warmth they've given us."
Spain won all seven games in Germany en route to lifting the trophy, but England gave them a hard fight in the final, losing 2-1 to a Mikel Oyarzabal goal four minutes from time.
Spain midfielder Rodri was named the best player of Euro 2024 after helping La Roja beat England 2-1 to win the competition for a fourth time in Berlin on Sunday.
Substitute Mikel Oyarzabal scored a dramatic late winner as Spain triumphed in Sunday's Euro 2024 final, beating England 2-1 to confirm their re-emergence as a force on the international stage and end their opponents' dreams of winning a first title in almost six decades.