Seventh Final Four in nine years
The European champions are in line to do battle for the title captured in 2018.
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 Real Madrid vice-captain posed for photos with supporters who attended the event.
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.