Tuesday has been declared a bank holiday in Argentina, a day after the World Cup win.
The squad, who won the gold medal in Sunday's final, returned to their home country on Tuesday.
Fans lined the streets as they traveled on an open top bus.
The main celebration will take place at the Obelisk monument.
Fans can express their deepest joy for the national team on the bank holiday.
The team left the plane with Messi's picture on its tail.
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