Ireland will come up against Norway twice this week, today (Monday, November 22) and again on Sunday. On Wednesday, Osam's team take-on the hosts Spain.
The friendlies follow the MU16s involvement in the Victory Shield in Belfast last month which ended on a high with a 2-0 win over neighbours Northern Ireland.
The panel also includes 19 players from the EA SPORTS National League of Ireland Underage Leagues.
Republic of Ireland Men's Under-16 Squad
Goalkeepers: Jason Healy (Waterford FC), Rian Hogan (St. Patrick's Athletic)
Defenders: Sean Hayden (St. Patrick's Athletic), Sean Mackey (St. Patrick's Athletic), Sean McCarthy (Bohemians), Cory O'Sullivan (Shamrock Rovers), Adam Queally (Waterford FC), Patryk Swieczka Andrzejczak (Cork City)
Midfielders: Anthony Dodd (St. Patrick's Athletic), Luke Kehir (St. Patrick's Athletic), Taylor Mooney (St. Patrick's Athletic), Daniel Negry-McGrath (Bohemians), Adam O'Halloran (Galway United), Najemedine Razi (Shamrock Rovers) Freddie Turley (Shamrock Rovers)
Forwards: Aidan Cannon (Celtic), Brian Moore (St Patrick's Athletic), Cillian Mulvihill (Cork City), Nickson Okosun (Bohemians), Sean Patton (Finn Harps)
International friendly fixtures (all kick-off times are Irish time)
Monday, November 22 | Ireland MU16 v Norway MU16, Polop, KO 2pm
Wednesday, November 24 | Spain MU16 v Ireland MU16, Orihuela, KO 5pm
Sunday, November 28 | Ireland MU16 v Norway MU16, venue TBC, KO 11am