Lengkepan kalimah di handap ieu: Žižić maén kalawan timnas junior Kroasia. Kalayan timnas junior Kroasia, anjeunna maén di 2013 FIBA Éropa U-16 Championship, 2014 FIBA Éropa U-18 Championship, dimana anjeunna meunang medali perunggu, sareng di
2015 FIBA Under-19 World Championship, di mana manéhna meunang medali pérak.