Pasukan bawah 23 tahun Malaysia telah diundi berada dalam Kumpulan C bersama-sama pasukan Thailand, Vietnam dan Korea Selatan.
The nine teams have been split into three groups, with the top team of each group and the best second-placed team qualifying for the semi-finals.
Hosts Cambodia have been placed in Group A, along with Timor-Leste, Philippines, and Brunei.