According to AC Milan team reporter Longo, Modric will undergo AC Milan's medical examination in Croatia.
Longo wrote on social media: "Modric will undergo a medical examination of AC Milan in Croatia, and then fly to the United States to represent Real Madrid in the Club World Cup."
At the end of this month, Modric's contract with Real Madrid expires, and he will join AC Milan freely, but before that, he will represent Real Madrid in the Club World Cup.