The tournament will be hosted by Latvia in Riga and Daugavpils from July 3 to 11, 2021.
Iran has been pitted against Latvia, Puerto Rico and Serbia in Group B.
Iran will start the group stage on July 3 with a match against Serbia. The Persians are scheduled to meet Latvia on July 4 and meet Puerto Rico a day later.
Eight different countries have won the FIBA U-19 Basketball World Cup since its inception in 1979, with the reigning champion USA leading the field with seven titles. The USA won the FIBA U-19 Basketball World Cup 2019 in Crete, Greece, after defeating Mali in the Final.