Two World Cup winners have been named in the squad for this summer's tournament, while the goalkeeper, who is believed to be set to join the Red Devils, is also included
Milla has included a number of high-profile names in his selection for the upcoming tournament, with 2010 World Cup winners Javi Martinez and Juan Mata the team's biggest stars.
Other established stars include the likes of David de Gea, who Sir Alex Ferguson confirmed this week is set to join Manchester United, despite Atletico Madrid denying a deal is in place, and Barcelona forward Bojan Krkic.
Spain have been paired with England, Ukraine and Czech Republic in Group B, and begin with a match against the Three Lions on June 12.
The squad list in full:
Goalkeepers: De Gea (Atletico Madrid), Ruben Mino (Barcelona), Marino Villar (Villarreal)
Defenders: Mikel San Jose (Bilbao), Dominguez (Atletico Madrid), Montoya (Barcelona), Victor Ruiz (Napoli), Didac Vila (AC Milan), Azpilicueta (Marseille), Alberto Botia, Jose Angel (Sporting Gijon)
Midfielders: Javi Martinez (Bilbao), Thiago Alcantara (Barcelona), Ruben Perez (Deportivo), Dani Parejo (Getafe), Ander Herrera (Zaragoza)
Attackers: Iker Muniain (Bilbao), Bojan Krkic, Jeffren Suarez (Barcelona), Adrian (Deportivo), Emilio Nsue (Mallorca), Diego Capel (Sevilla), Juan Mata (Valencia).