Spain's victorious football squad have received a rapturous home reception with an estimated one million people turning out to greet their football heroes in Madrid.
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Earlier, they enjoyed an audience with King Juan Carlos before meeting prime minister Jose Luis Rodriguez Zapatero.
More than one million people are lining the route for the celebrations, which were slightly delayed after the flight from Johannesburg ran late.
The squad received a heroes' welcome from fans at Madrid Barajas airport when they eventually touched down just after 1.30pm.
Captain Iker Casillas and coach Vincente Del Bosque led the squad off the plane, with Casillas holding the trophy aloft as cheers erupted.
Many of the joyous supporters had celebrated through the night after the historic win in South Africa.
Madrid became the party capital of the world after Andreas Iniesta's goal just four minutes from the end of extra time proved enough to secure victory over Holland at the Soccer City stadium in Johannesburg.
Viva Espana: Fans celebrate at Soccer City
He described the scenes as "organised chaos".
Several groups were formed on Facebook calling on the Spanish government to declare a national holiday to allow football fans to recover from the all-night festivities.
The deafening sounds of cheering, klaxons, firecrackers and car horns rang out after English referee Howard Webb blew the final whistle after a bruising match.
Thousands of Spanish fans also lit up the streets of Johannesburg as they poured out of the stadium.
"The dream has come true," said El Pais daily newspaper on its website.
"Spain, Spain, Spain!" screamed El Mundo in a headline. "This World Cup has crowned one of the best teams of all time."
The country's prime minister, Mr Zapatero said he was "happy and emotional".
Fans were left pinching themselves after watching their team triumph.
Said Adolfo, 25, said: "It's an extraordinary feeling of happiness and nerves."
"We're going to celebrate like crazy, all night, all Monday until Tuesday morning," said 41-year-old Miguel Angel.
One female fan was dressed as an octopus in a tribute to Paul, the famous cephalopod in Germany who correctly predicted Spain's victory, as well as all his home nation's results.
It has been reported two people died and more than 100 were injured during the celebrations across the country.