Seventh Final Four in nine years
The European champions are in line to do battle for the title captured in 2018.
The French defender has won 16 titles as a madridista.
He is the first player in the squad to reach that number of matches this season.
The Croatian ace broke his record for assists in a single season.
The EuroLeague semi-finals will be contested from Friday 17 May at Vitoria's Buesa Arena.
"It will become an avant-garde and universal icon, one of the great future projects for Real Madrid", the president said.