With Cambodian Prime Minister Hun Sen, alongside Laos president Thongloun Sisoulith in attendance, a jam-packed Morodok Techo National Stadium got the games underway.
Free tickets were handed out to spectators, with the opening ceremony featuring the 11 participating nations, with more than 6000 athletes set to compete across 36 sports and 581 sport programs.
The 32nd SEA Games will be hosted in Phnom Penh and four surrounding cities until May 17, with Cambodia hosting for first time in 64 years.