[4] In July 1998, Subotić was a member of the Croatia under-18 team that won the silver medal at the FIBA Europe Under-18 Championship in Varna, Bulgaria.

[5] In July 1999, Subotić was a member of the Croatia under-19 team that won the bronze medal at the FIBA Under-19 World Championship in Portugal.

[7] In August 2001, Subotić was a member of the Croatia under-21 team that won the silver medal at the FIBA Under-21 World Championship in Saitama, Japan.

[8] On 2 December 1998, Subotić made his debut for the Croatia national team in a 111–77 win over Iceland in Šibenik at the FIBA EuroBasket 1999 qualification semi-final round.

[12][13][14] On 14 March 2023, the Croatian Basketball Federation (HKS) confirmed Subotić as the new head coach for the under-18 men's Croatia national team.